./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.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_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/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_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/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_8ba69a18-d362-44d7-905a-2437df60b535/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 e3e7c439a8bb023cdb2d5bca3cc1f30b1cca1673759440246e0abb092be693fe ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:04:36,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:36,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:36,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:36,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:36,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:36,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:36,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:36,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:36,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:36,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:36,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:36,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:36,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:36,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:36,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:36,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:36,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:36,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:36,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:36,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:36,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:36,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:36,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:36,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:36,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:36,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:36,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:36,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:36,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:36,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:36,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:36,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:36,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:36,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:36,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:36,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:36,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:36,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:36,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:36,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:36,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-29 00:04:37,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:37,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:37,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:37,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:37,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:37,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:37,011 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:37,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:37,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:04:37,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:37,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:04:37,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:37,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 00:04:37,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:04:37,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 00:04:37,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:04:37,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:04:37,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:37,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 00:04:37,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:37,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:37,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:04:37,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:04:37,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:37,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:04:37,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 00:04:37,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:04:37,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 00:04:37,016 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 00:04:37,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-29 00:04:37,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 00:04:37,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:37,017 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_8ba69a18-d362-44d7-905a-2437df60b535/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3e7c439a8bb023cdb2d5bca3cc1f30b1cca1673759440246e0abb092be693fe [2021-10-29 00:04:37,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:37,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:37,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:37,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:37,353 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:37,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2021-10-29 00:04:37,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/data/ebe4e7e2b/29c27d96909f43e6b8ca290852fe30e6/FLAG0e69167b4 [2021-10-29 00:04:38,011 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:38,012 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2021-10-29 00:04:38,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/data/ebe4e7e2b/29c27d96909f43e6b8ca290852fe30e6/FLAG0e69167b4 [2021-10-29 00:04:38,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/data/ebe4e7e2b/29c27d96909f43e6b8ca290852fe30e6 [2021-10-29 00:04:38,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:38,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:04:38,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:38,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:38,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:38,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:38,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a00345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38, skipping insertion in model container [2021-10-29 00:04:38,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:38,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:38,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:04:38,732 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_8ba69a18-d362-44d7-905a-2437df60b535/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c[42848,42861] [2021-10-29 00:04:38,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:38,776 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:04:38,889 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_8ba69a18-d362-44d7-905a-2437df60b535/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c[42848,42861] [2021-10-29 00:04:38,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:38,905 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:04:38,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38 WrapperNode [2021-10-29 00:04:38,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:38,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:38,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:04:38,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:04:38,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:38,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:38,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:38,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:04:38,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:04:38,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:04:39,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:04:39,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:04:39,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:04:39,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:04:39,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (1/1) ... [2021-10-29 00:04:39,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:04:39,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:39,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:39,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 00:04:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:04:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:04:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:04:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:04:39,306 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-29 00:04:39,931 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-29 00:04:39,932 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-29 00:04:39,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:04:39,944 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 00:04:39,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:39 BoogieIcfgContainer [2021-10-29 00:04:39,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:04:39,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 00:04:39,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 00:04:39,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 00:04:39,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:04:38" (1/3) ... [2021-10-29 00:04:39,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1140edbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:04:39, skipping insertion in model container [2021-10-29 00:04:39,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:38" (2/3) ... [2021-10-29 00:04:39,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1140edbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:04:39, skipping insertion in model container [2021-10-29 00:04:39,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:39" (3/3) ... [2021-10-29 00:04:39,965 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2021-10-29 00:04:39,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 00:04:39,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 00:04:40,039 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 00:04:40,046 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 [2021-10-29 00:04:40,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 00:04:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 00:04:40,076 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:40,077 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:40,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:40,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2021-10-29 00:04:40,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:40,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212224155] [2021-10-29 00:04:40,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:40,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:40,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:40,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212224155] [2021-10-29 00:04:40,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212224155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:40,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:40,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:40,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029123939] [2021-10-29 00:04:40,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:40,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:40,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:40,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:40,404 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:40,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:40,771 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2021-10-29 00:04:40,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:40,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-10-29 00:04:40,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:40,793 INFO L225 Difference]: With dead ends: 328 [2021-10-29 00:04:40,793 INFO L226 Difference]: Without dead ends: 175 [2021-10-29 00:04:40,799 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 [2021-10-29 00:04:40,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-29 00:04:40,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-10-29 00:04:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.6272189349112427) internal successors, (275), 169 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2021-10-29 00:04:40,890 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2021-10-29 00:04:40,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:40,891 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2021-10-29 00:04:40,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-10-29 00:04:40,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 00:04:40,895 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:40,895 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:40,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 00:04:40,896 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:40,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2021-10-29 00:04:40,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:40,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875083053] [2021-10-29 00:04:40,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:40,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:41,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:41,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875083053] [2021-10-29 00:04:41,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875083053] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:41,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:41,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:41,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156789134] [2021-10-29 00:04:41,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:41,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:41,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:41,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:41,056 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:41,317 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2021-10-29 00:04:41,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:41,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-10-29 00:04:41,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:41,326 INFO L225 Difference]: With dead ends: 380 [2021-10-29 00:04:41,326 INFO L226 Difference]: Without dead ends: 216 [2021-10-29 00:04:41,333 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 [2021-10-29 00:04:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-29 00:04:41,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2021-10-29 00:04:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6761904761904762) internal successors, (352), 210 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2021-10-29 00:04:41,369 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2021-10-29 00:04:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:41,370 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2021-10-29 00:04:41,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2021-10-29 00:04:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-29 00:04:41,382 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:41,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:41,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 00:04:41,384 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:41,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1754997851, now seen corresponding path program 1 times [2021-10-29 00:04:41,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:41,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033676924] [2021-10-29 00:04:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:41,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:41,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:41,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033676924] [2021-10-29 00:04:41,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033676924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:41,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:41,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:41,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746735236] [2021-10-29 00:04:41,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:41,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:41,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:41,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:41,539 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:41,690 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2021-10-29 00:04:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:41,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-10-29 00:04:41,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:41,693 INFO L225 Difference]: With dead ends: 445 [2021-10-29 00:04:41,694 INFO L226 Difference]: Without dead ends: 242 [2021-10-29 00:04:41,696 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 [2021-10-29 00:04:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-29 00:04:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-10-29 00:04:41,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.6929460580912863) internal successors, (408), 241 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2021-10-29 00:04:41,738 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2021-10-29 00:04:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:41,738 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2021-10-29 00:04:41,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2021-10-29 00:04:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 00:04:41,742 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:41,742 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:41,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 00:04:41,750 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:41,751 INFO L85 PathProgramCache]: Analyzing trace with hash -479038981, now seen corresponding path program 1 times [2021-10-29 00:04:41,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:41,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339212374] [2021-10-29 00:04:41,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:41,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 00:04:41,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:41,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339212374] [2021-10-29 00:04:41,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339212374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:41,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:41,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:41,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146899341] [2021-10-29 00:04:41,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:41,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:41,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:41,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:41,847 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:41,960 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2021-10-29 00:04:41,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:41,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 84 [2021-10-29 00:04:41,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:41,963 INFO L225 Difference]: With dead ends: 493 [2021-10-29 00:04:41,963 INFO L226 Difference]: Without dead ends: 259 [2021-10-29 00:04:41,964 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 [2021-10-29 00:04:41,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-29 00:04:41,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2021-10-29 00:04:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.68359375) internal successors, (431), 256 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2021-10-29 00:04:41,977 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2021-10-29 00:04:41,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:41,978 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2021-10-29 00:04:41,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2021-10-29 00:04:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-29 00:04:41,980 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:41,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:41,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 00:04:41,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:41,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:41,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1816808322, now seen corresponding path program 1 times [2021-10-29 00:04:41,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:41,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317255613] [2021-10-29 00:04:41,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:41,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:42,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:42,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317255613] [2021-10-29 00:04:42,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317255613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:42,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:42,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:42,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803435640] [2021-10-29 00:04:42,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:42,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:42,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:42,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:42,089 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:42,283 INFO L93 Difference]: Finished difference Result 553 states and 933 transitions. [2021-10-29 00:04:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:42,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2021-10-29 00:04:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:42,290 INFO L225 Difference]: With dead ends: 553 [2021-10-29 00:04:42,290 INFO L226 Difference]: Without dead ends: 304 [2021-10-29 00:04:42,291 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 [2021-10-29 00:04:42,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-10-29 00:04:42,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 299. [2021-10-29 00:04:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6946308724832215) internal successors, (505), 298 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2021-10-29 00:04:42,307 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2021-10-29 00:04:42,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:42,308 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2021-10-29 00:04:42,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,308 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-10-29 00:04:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 00:04:42,313 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:42,313 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:42,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 00:04:42,314 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:42,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:42,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1697148062, now seen corresponding path program 1 times [2021-10-29 00:04:42,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:42,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654370987] [2021-10-29 00:04:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:42,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:42,381 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 00:04:42,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:42,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654370987] [2021-10-29 00:04:42,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654370987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:42,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:42,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:42,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33844638] [2021-10-29 00:04:42,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:42,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:42,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:42,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:42,385 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:42,514 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2021-10-29 00:04:42,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:42,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 85 [2021-10-29 00:04:42,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:42,521 INFO L225 Difference]: With dead ends: 592 [2021-10-29 00:04:42,521 INFO L226 Difference]: Without dead ends: 301 [2021-10-29 00:04:42,522 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 [2021-10-29 00:04:42,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-29 00:04:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2021-10-29 00:04:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6812080536912752) internal successors, (501), 298 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2021-10-29 00:04:42,534 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2021-10-29 00:04:42,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:42,535 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2021-10-29 00:04:42,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2021-10-29 00:04:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 00:04:42,536 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:42,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:42,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 00:04:42,537 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:42,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:42,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1432172412, now seen corresponding path program 1 times [2021-10-29 00:04:42,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:42,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386630272] [2021-10-29 00:04:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:42,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:42,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:42,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386630272] [2021-10-29 00:04:42,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386630272] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:42,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:42,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:42,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40858264] [2021-10-29 00:04:42,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:42,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:42,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:42,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:42,588 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:42,777 INFO L93 Difference]: Finished difference Result 595 states and 997 transitions. [2021-10-29 00:04:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:42,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2021-10-29 00:04:42,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:42,781 INFO L225 Difference]: With dead ends: 595 [2021-10-29 00:04:42,781 INFO L226 Difference]: Without dead ends: 302 [2021-10-29 00:04:42,782 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 [2021-10-29 00:04:42,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-10-29 00:04:42,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2021-10-29 00:04:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6756756756756757) internal successors, (496), 296 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2021-10-29 00:04:42,798 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2021-10-29 00:04:42,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:42,798 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2021-10-29 00:04:42,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2021-10-29 00:04:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-29 00:04:42,804 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:42,804 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-10-29 00:04:42,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 00:04:42,805 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:42,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:42,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1085183485, now seen corresponding path program 1 times [2021-10-29 00:04:42,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:42,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310055056] [2021-10-29 00:04:42,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:42,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-29 00:04:42,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:42,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310055056] [2021-10-29 00:04:42,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310055056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:42,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:42,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:42,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269226275] [2021-10-29 00:04:42,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:42,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:42,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:42,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:42,862 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:42,983 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2021-10-29 00:04:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:42,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 97 [2021-10-29 00:04:42,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:42,987 INFO L225 Difference]: With dead ends: 595 [2021-10-29 00:04:42,987 INFO L226 Difference]: Without dead ends: 306 [2021-10-29 00:04:42,988 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 [2021-10-29 00:04:42,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-29 00:04:43,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-29 00:04:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.6459016393442623) internal successors, (502), 305 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2021-10-29 00:04:43,006 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2021-10-29 00:04:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:43,007 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2021-10-29 00:04:43,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2021-10-29 00:04:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-29 00:04:43,009 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:43,010 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-29 00:04:43,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-29 00:04:43,010 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:43,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash -860132162, now seen corresponding path program 1 times [2021-10-29 00:04:43,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:43,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060917899] [2021-10-29 00:04:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:43,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 00:04:43,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:43,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060917899] [2021-10-29 00:04:43,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060917899] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:43,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:43,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:43,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030031108] [2021-10-29 00:04:43,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:43,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:43,062 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:43,220 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2021-10-29 00:04:43,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:43,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 98 [2021-10-29 00:04:43,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:43,223 INFO L225 Difference]: With dead ends: 635 [2021-10-29 00:04:43,224 INFO L226 Difference]: Without dead ends: 337 [2021-10-29 00:04:43,225 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 [2021-10-29 00:04:43,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-29 00:04:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-29 00:04:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6437125748502994) internal successors, (549), 334 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2021-10-29 00:04:43,241 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2021-10-29 00:04:43,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:43,241 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2021-10-29 00:04:43,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2021-10-29 00:04:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 00:04:43,243 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:43,243 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, 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] [2021-10-29 00:04:43,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-29 00:04:43,244 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:43,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1120928325, now seen corresponding path program 1 times [2021-10-29 00:04:43,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:43,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456832142] [2021-10-29 00:04:43,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:43,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 00:04:43,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:43,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456832142] [2021-10-29 00:04:43,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456832142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:43,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:43,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:43,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618357496] [2021-10-29 00:04:43,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:43,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:43,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:43,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:43,286 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:43,465 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2021-10-29 00:04:43,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:43,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2021-10-29 00:04:43,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:43,469 INFO L225 Difference]: With dead ends: 664 [2021-10-29 00:04:43,469 INFO L226 Difference]: Without dead ends: 337 [2021-10-29 00:04:43,470 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 [2021-10-29 00:04:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-29 00:04:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-29 00:04:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6317365269461077) internal successors, (545), 334 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2021-10-29 00:04:43,485 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2021-10-29 00:04:43,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:43,486 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2021-10-29 00:04:43,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2021-10-29 00:04:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-29 00:04:43,488 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:43,489 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:43,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-29 00:04:43,489 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:43,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:43,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1084775058, now seen corresponding path program 1 times [2021-10-29 00:04:43,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:43,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391196527] [2021-10-29 00:04:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:43,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 00:04:43,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:43,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391196527] [2021-10-29 00:04:43,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391196527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:43,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:43,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:43,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074461458] [2021-10-29 00:04:43,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:43,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:43,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:43,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:43,567 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:43,729 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2021-10-29 00:04:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 100 [2021-10-29 00:04:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:43,733 INFO L225 Difference]: With dead ends: 697 [2021-10-29 00:04:43,733 INFO L226 Difference]: Without dead ends: 370 [2021-10-29 00:04:43,735 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 [2021-10-29 00:04:43,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-29 00:04:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-29 00:04:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.626038781163435) internal successors, (587), 361 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2021-10-29 00:04:43,756 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2021-10-29 00:04:43,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:43,756 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2021-10-29 00:04:43,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2021-10-29 00:04:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-29 00:04:43,759 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:43,759 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:43,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-29 00:04:43,759 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:43,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:43,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1691577195, now seen corresponding path program 1 times [2021-10-29 00:04:43,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:43,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194599191] [2021-10-29 00:04:43,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:43,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 00:04:43,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:43,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194599191] [2021-10-29 00:04:43,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194599191] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:43,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:43,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:43,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714843948] [2021-10-29 00:04:43,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:43,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:43,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:43,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:43,828 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:43,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:43,980 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2021-10-29 00:04:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:43,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 101 [2021-10-29 00:04:43,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:43,986 INFO L225 Difference]: With dead ends: 724 [2021-10-29 00:04:43,987 INFO L226 Difference]: Without dead ends: 370 [2021-10-29 00:04:43,987 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 [2021-10-29 00:04:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-29 00:04:44,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-29 00:04:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.6121883656509695) internal successors, (582), 361 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2021-10-29 00:04:44,009 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2021-10-29 00:04:44,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:44,009 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2021-10-29 00:04:44,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2021-10-29 00:04:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 00:04:44,012 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:44,012 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-29 00:04:44,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-29 00:04:44,012 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:44,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:44,013 INFO L85 PathProgramCache]: Analyzing trace with hash -479008336, now seen corresponding path program 1 times [2021-10-29 00:04:44,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:44,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631887320] [2021-10-29 00:04:44,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:44,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 00:04:44,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:44,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631887320] [2021-10-29 00:04:44,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631887320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:44,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:44,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:44,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621545457] [2021-10-29 00:04:44,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:44,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:44,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:44,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:44,065 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:44,203 INFO L93 Difference]: Finished difference Result 741 states and 1193 transitions. [2021-10-29 00:04:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:44,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 105 [2021-10-29 00:04:44,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:44,207 INFO L225 Difference]: With dead ends: 741 [2021-10-29 00:04:44,207 INFO L226 Difference]: Without dead ends: 387 [2021-10-29 00:04:44,208 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 [2021-10-29 00:04:44,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-29 00:04:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2021-10-29 00:04:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 382 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2021-10-29 00:04:44,231 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2021-10-29 00:04:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:44,231 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2021-10-29 00:04:44,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2021-10-29 00:04:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-29 00:04:44,234 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:44,234 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:44,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-29 00:04:44,235 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:44,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:44,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2118869193, now seen corresponding path program 1 times [2021-10-29 00:04:44,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:44,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441806909] [2021-10-29 00:04:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:44,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 00:04:44,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:44,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441806909] [2021-10-29 00:04:44,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441806909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:44,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:44,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:44,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114829465] [2021-10-29 00:04:44,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:44,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:44,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:44,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:44,293 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:44,440 INFO L93 Difference]: Finished difference Result 762 states and 1216 transitions. [2021-10-29 00:04:44,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:44,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 106 [2021-10-29 00:04:44,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:44,445 INFO L225 Difference]: With dead ends: 762 [2021-10-29 00:04:44,445 INFO L226 Difference]: Without dead ends: 387 [2021-10-29 00:04:44,447 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 [2021-10-29 00:04:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-29 00:04:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2021-10-29 00:04:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5837696335078535) internal successors, (605), 382 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2021-10-29 00:04:44,473 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2021-10-29 00:04:44,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:44,474 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2021-10-29 00:04:44,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,474 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2021-10-29 00:04:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-29 00:04:44,477 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:44,477 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-29 00:04:44,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-29 00:04:44,478 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:44,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:44,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1932137040, now seen corresponding path program 1 times [2021-10-29 00:04:44,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:44,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904921227] [2021-10-29 00:04:44,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:44,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-29 00:04:44,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:44,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904921227] [2021-10-29 00:04:44,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904921227] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:44,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:44,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:44,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119988984] [2021-10-29 00:04:44,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:44,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:44,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:44,540 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:44,602 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2021-10-29 00:04:44,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:44,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 121 [2021-10-29 00:04:44,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:44,609 INFO L225 Difference]: With dead ends: 758 [2021-10-29 00:04:44,610 INFO L226 Difference]: Without dead ends: 756 [2021-10-29 00:04:44,614 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 [2021-10-29 00:04:44,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-10-29 00:04:44,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2021-10-29 00:04:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.5841059602649006) internal successors, (1196), 755 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2021-10-29 00:04:44,652 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2021-10-29 00:04:44,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:44,652 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2021-10-29 00:04:44,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2021-10-29 00:04:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 00:04:44,655 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:44,655 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-29 00:04:44,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-29 00:04:44,656 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:44,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:44,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1552830339, now seen corresponding path program 1 times [2021-10-29 00:04:44,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:44,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676119852] [2021-10-29 00:04:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:44,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 00:04:44,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:44,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676119852] [2021-10-29 00:04:44,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676119852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:44,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:44,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:44,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239194672] [2021-10-29 00:04:44,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:44,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:44,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:44,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:44,734 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:44,807 INFO L93 Difference]: Finished difference Result 1832 states and 2900 transitions. [2021-10-29 00:04:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:44,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-29 00:04:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:44,816 INFO L225 Difference]: With dead ends: 1832 [2021-10-29 00:04:44,816 INFO L226 Difference]: Without dead ends: 1084 [2021-10-29 00:04:44,818 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 [2021-10-29 00:04:44,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2021-10-29 00:04:44,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2021-10-29 00:04:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1083 states have (on average 1.5817174515235457) internal successors, (1713), 1083 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1713 transitions. [2021-10-29 00:04:44,887 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1713 transitions. Word has length 122 [2021-10-29 00:04:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:44,888 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 1713 transitions. [2021-10-29 00:04:44,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1713 transitions. [2021-10-29 00:04:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 00:04:44,892 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:44,892 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-29 00:04:44,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-29 00:04:44,892 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:44,893 INFO L85 PathProgramCache]: Analyzing trace with hash 323652479, now seen corresponding path program 1 times [2021-10-29 00:04:44,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:44,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615114388] [2021-10-29 00:04:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:44,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-29 00:04:44,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:44,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615114388] [2021-10-29 00:04:44,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615114388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:44,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:44,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:44,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569351039] [2021-10-29 00:04:44,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:44,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:44,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:44,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:44,935 INFO L87 Difference]: Start difference. First operand 1084 states and 1713 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:45,031 INFO L93 Difference]: Finished difference Result 2529 states and 4000 transitions. [2021-10-29 00:04:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:45,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 122 [2021-10-29 00:04:45,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:45,043 INFO L225 Difference]: With dead ends: 2529 [2021-10-29 00:04:45,043 INFO L226 Difference]: Without dead ends: 1453 [2021-10-29 00:04:45,045 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 [2021-10-29 00:04:45,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2021-10-29 00:04:45,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2021-10-29 00:04:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1452 states have (on average 1.5805785123966942) internal successors, (2295), 1452 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2295 transitions. [2021-10-29 00:04:45,118 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2295 transitions. Word has length 122 [2021-10-29 00:04:45,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:45,119 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2295 transitions. [2021-10-29 00:04:45,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2295 transitions. [2021-10-29 00:04:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-29 00:04:45,123 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:45,123 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-29 00:04:45,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-29 00:04:45,124 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:45,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1712946493, now seen corresponding path program 1 times [2021-10-29 00:04:45,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:45,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169847071] [2021-10-29 00:04:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:45,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-29 00:04:45,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:45,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169847071] [2021-10-29 00:04:45,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169847071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:45,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:45,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:45,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314523063] [2021-10-29 00:04:45,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:45,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:45,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:45,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:45,164 INFO L87 Difference]: Start difference. First operand 1453 states and 2295 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:45,292 INFO L93 Difference]: Finished difference Result 3249 states and 5133 transitions. [2021-10-29 00:04:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 122 [2021-10-29 00:04:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:45,305 INFO L225 Difference]: With dead ends: 3249 [2021-10-29 00:04:45,306 INFO L226 Difference]: Without dead ends: 1804 [2021-10-29 00:04:45,308 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 [2021-10-29 00:04:45,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2021-10-29 00:04:45,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2021-10-29 00:04:45,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.5784803105934553) internal successors, (2846), 1803 states have internal predecessors, (2846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2846 transitions. [2021-10-29 00:04:45,412 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2846 transitions. Word has length 122 [2021-10-29 00:04:45,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:45,413 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2846 transitions. [2021-10-29 00:04:45,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2846 transitions. [2021-10-29 00:04:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-29 00:04:45,420 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:45,420 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:45,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-29 00:04:45,421 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:45,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1532697181, now seen corresponding path program 1 times [2021-10-29 00:04:45,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:45,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094528880] [2021-10-29 00:04:45,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:45,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-29 00:04:45,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:45,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094528880] [2021-10-29 00:04:45,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094528880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:45,483 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:45,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:45,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121855798] [2021-10-29 00:04:45,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:45,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:45,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:45,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:45,486 INFO L87 Difference]: Start difference. First operand 1804 states and 2846 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:45,710 INFO L93 Difference]: Finished difference Result 3650 states and 5740 transitions. [2021-10-29 00:04:45,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:45,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-10-29 00:04:45,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:45,722 INFO L225 Difference]: With dead ends: 3650 [2021-10-29 00:04:45,722 INFO L226 Difference]: Without dead ends: 1854 [2021-10-29 00:04:45,725 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 [2021-10-29 00:04:45,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2021-10-29 00:04:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1804. [2021-10-29 00:04:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.538546866333888) internal successors, (2774), 1803 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2774 transitions. [2021-10-29 00:04:45,846 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2774 transitions. Word has length 199 [2021-10-29 00:04:45,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:45,847 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2774 transitions. [2021-10-29 00:04:45,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2774 transitions. [2021-10-29 00:04:45,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-29 00:04:45,853 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:45,853 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:45,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-29 00:04:45,854 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:45,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash -995291011, now seen corresponding path program 1 times [2021-10-29 00:04:45,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:45,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906950569] [2021-10-29 00:04:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:45,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 00:04:45,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:45,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906950569] [2021-10-29 00:04:45,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906950569] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:45,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:45,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:45,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955610010] [2021-10-29 00:04:45,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:45,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:45,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:45,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:45,906 INFO L87 Difference]: Start difference. First operand 1804 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:46,145 INFO L93 Difference]: Finished difference Result 3667 states and 5613 transitions. [2021-10-29 00:04:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:46,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 213 [2021-10-29 00:04:46,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:46,158 INFO L225 Difference]: With dead ends: 3667 [2021-10-29 00:04:46,159 INFO L226 Difference]: Without dead ends: 1871 [2021-10-29 00:04:46,162 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 [2021-10-29 00:04:46,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2021-10-29 00:04:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1804. [2021-10-29 00:04:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.4963948973932335) internal successors, (2698), 1803 states have internal predecessors, (2698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2698 transitions. [2021-10-29 00:04:46,295 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2698 transitions. Word has length 213 [2021-10-29 00:04:46,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:46,295 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2698 transitions. [2021-10-29 00:04:46,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2698 transitions. [2021-10-29 00:04:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-29 00:04:46,303 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:46,303 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-29 00:04:46,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-29 00:04:46,304 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:46,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:46,304 INFO L85 PathProgramCache]: Analyzing trace with hash -344869126, now seen corresponding path program 1 times [2021-10-29 00:04:46,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:46,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146728176] [2021-10-29 00:04:46,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:46,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-29 00:04:46,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:46,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146728176] [2021-10-29 00:04:46,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146728176] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:46,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600978300] [2021-10-29 00:04:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:46,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:46,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:46,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:04:46,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 00:04:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:46,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:04:46,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:04:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-29 00:04:47,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600978300] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:47,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 00:04:47,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-29 00:04:47,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814802033] [2021-10-29 00:04:47,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:04:47,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:47,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:04:47,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:04:47,300 INFO L87 Difference]: Start difference. First operand 1804 states and 2698 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:47,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:47,702 INFO L93 Difference]: Finished difference Result 4265 states and 6329 transitions. [2021-10-29 00:04:47,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:04:47,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 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 232 [2021-10-29 00:04:47,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:47,718 INFO L225 Difference]: With dead ends: 4265 [2021-10-29 00:04:47,718 INFO L226 Difference]: Without dead ends: 2436 [2021-10-29 00:04:47,722 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2021-10-29 00:04:47,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1604. [2021-10-29 00:04:47,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1603 states have (on average 1.4734872114784778) internal successors, (2362), 1603 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2362 transitions. [2021-10-29 00:04:47,818 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2362 transitions. Word has length 232 [2021-10-29 00:04:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:47,819 INFO L470 AbstractCegarLoop]: Abstraction has 1604 states and 2362 transitions. [2021-10-29 00:04:47,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2362 transitions. [2021-10-29 00:04:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-29 00:04:47,826 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:47,827 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:47,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:48,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:48,055 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:48,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1731638989, now seen corresponding path program 1 times [2021-10-29 00:04:48,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:48,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399855825] [2021-10-29 00:04:48,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:48,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-29 00:04:48,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:48,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399855825] [2021-10-29 00:04:48,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399855825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:48,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:48,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:48,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338174081] [2021-10-29 00:04:48,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:48,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:48,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:48,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:48,159 INFO L87 Difference]: Start difference. First operand 1604 states and 2362 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:48,352 INFO L93 Difference]: Finished difference Result 3395 states and 5017 transitions. [2021-10-29 00:04:48,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:48,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2021-10-29 00:04:48,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:48,363 INFO L225 Difference]: With dead ends: 3395 [2021-10-29 00:04:48,364 INFO L226 Difference]: Without dead ends: 1679 [2021-10-29 00:04:48,367 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 [2021-10-29 00:04:48,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-10-29 00:04:48,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1679. [2021-10-29 00:04:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1678 states have (on average 1.4463647199046483) internal successors, (2427), 1678 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2427 transitions. [2021-10-29 00:04:48,475 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2427 transitions. Word has length 241 [2021-10-29 00:04:48,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:48,476 INFO L470 AbstractCegarLoop]: Abstraction has 1679 states and 2427 transitions. [2021-10-29 00:04:48,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2427 transitions. [2021-10-29 00:04:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-29 00:04:48,482 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:48,482 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:48,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-29 00:04:48,483 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:48,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1272517136, now seen corresponding path program 1 times [2021-10-29 00:04:48,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:48,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839780071] [2021-10-29 00:04:48,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:48,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-29 00:04:48,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:48,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839780071] [2021-10-29 00:04:48,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839780071] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:48,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262376622] [2021-10-29 00:04:48,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:48,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:48,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:48,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:04:48,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 00:04:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:48,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:04:48,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:04:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-29 00:04:49,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262376622] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:49,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 00:04:49,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-29 00:04:49,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707062155] [2021-10-29 00:04:49,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:04:49,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:49,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:04:49,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:04:49,395 INFO L87 Difference]: Start difference. First operand 1679 states and 2427 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:49,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:49,844 INFO L93 Difference]: Finished difference Result 5320 states and 7733 transitions. [2021-10-29 00:04:49,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:04:49,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 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 253 [2021-10-29 00:04:49,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:49,867 INFO L225 Difference]: With dead ends: 5320 [2021-10-29 00:04:49,867 INFO L226 Difference]: Without dead ends: 3649 [2021-10-29 00:04:49,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2021-10-29 00:04:49,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 2004. [2021-10-29 00:04:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2004 states, 2003 states have (on average 1.36245631552671) internal successors, (2729), 2003 states have internal predecessors, (2729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2729 transitions. [2021-10-29 00:04:49,978 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2729 transitions. Word has length 253 [2021-10-29 00:04:49,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:49,978 INFO L470 AbstractCegarLoop]: Abstraction has 2004 states and 2729 transitions. [2021-10-29 00:04:49,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2729 transitions. [2021-10-29 00:04:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-29 00:04:49,987 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:49,987 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:50,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:50,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-29 00:04:50,215 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:50,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:50,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1561336526, now seen corresponding path program 1 times [2021-10-29 00:04:50,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:50,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801136949] [2021-10-29 00:04:50,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:50,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-10-29 00:04:50,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:50,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801136949] [2021-10-29 00:04:50,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801136949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:50,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:50,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:50,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979814152] [2021-10-29 00:04:50,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:50,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:50,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:50,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:50,295 INFO L87 Difference]: Start difference. First operand 2004 states and 2729 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:50,452 INFO L93 Difference]: Finished difference Result 5742 states and 7864 transitions. [2021-10-29 00:04:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:50,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-29 00:04:50,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:50,481 INFO L225 Difference]: With dead ends: 5742 [2021-10-29 00:04:50,481 INFO L226 Difference]: Without dead ends: 3746 [2021-10-29 00:04:50,486 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 [2021-10-29 00:04:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2021-10-29 00:04:50,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3744. [2021-10-29 00:04:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 3743 states have (on average 1.371627037135987) internal successors, (5134), 3743 states have internal predecessors, (5134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5134 transitions. [2021-10-29 00:04:50,659 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5134 transitions. Word has length 253 [2021-10-29 00:04:50,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:50,660 INFO L470 AbstractCegarLoop]: Abstraction has 3744 states and 5134 transitions. [2021-10-29 00:04:50,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5134 transitions. [2021-10-29 00:04:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-10-29 00:04:50,669 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:50,670 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-29 00:04:50,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-29 00:04:50,671 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:50,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:50,671 INFO L85 PathProgramCache]: Analyzing trace with hash -914284920, now seen corresponding path program 1 times [2021-10-29 00:04:50,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:50,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916511786] [2021-10-29 00:04:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:50,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-29 00:04:50,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:50,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916511786] [2021-10-29 00:04:50,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916511786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:50,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:50,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:50,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120356628] [2021-10-29 00:04:50,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:50,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:50,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:50,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:50,726 INFO L87 Difference]: Start difference. First operand 3744 states and 5134 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:50,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:50,994 INFO L93 Difference]: Finished difference Result 7698 states and 10554 transitions. [2021-10-29 00:04:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:50,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 256 [2021-10-29 00:04:50,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:51,011 INFO L225 Difference]: With dead ends: 7698 [2021-10-29 00:04:51,011 INFO L226 Difference]: Without dead ends: 3962 [2021-10-29 00:04:51,017 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 [2021-10-29 00:04:51,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2021-10-29 00:04:51,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3744. [2021-10-29 00:04:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 3743 states have (on average 1.3438418380977826) internal successors, (5030), 3743 states have internal predecessors, (5030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5030 transitions. [2021-10-29 00:04:51,196 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5030 transitions. Word has length 256 [2021-10-29 00:04:51,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:51,197 INFO L470 AbstractCegarLoop]: Abstraction has 3744 states and 5030 transitions. [2021-10-29 00:04:51,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5030 transitions. [2021-10-29 00:04:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-10-29 00:04:51,209 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:51,210 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:51,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-29 00:04:51,210 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1357789354, now seen corresponding path program 1 times [2021-10-29 00:04:51,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:51,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155202104] [2021-10-29 00:04:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:51,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-10-29 00:04:51,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:51,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155202104] [2021-10-29 00:04:51,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155202104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:51,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:51,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:51,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110208302] [2021-10-29 00:04:51,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:51,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:51,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:51,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:51,272 INFO L87 Difference]: Start difference. First operand 3744 states and 5030 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:51,516 INFO L93 Difference]: Finished difference Result 7612 states and 10230 transitions. [2021-10-29 00:04:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:51,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 290 [2021-10-29 00:04:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:51,528 INFO L225 Difference]: With dead ends: 7612 [2021-10-29 00:04:51,528 INFO L226 Difference]: Without dead ends: 3876 [2021-10-29 00:04:51,534 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 [2021-10-29 00:04:51,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2021-10-29 00:04:51,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3836. [2021-10-29 00:04:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 3835 states have (on average 1.3408083441981746) internal successors, (5142), 3835 states have internal predecessors, (5142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5142 transitions. [2021-10-29 00:04:51,674 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5142 transitions. Word has length 290 [2021-10-29 00:04:51,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:51,675 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5142 transitions. [2021-10-29 00:04:51,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5142 transitions. [2021-10-29 00:04:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-10-29 00:04:51,686 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:51,686 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-29 00:04:51,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-29 00:04:51,687 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:51,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:51,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1702375352, now seen corresponding path program 1 times [2021-10-29 00:04:51,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:51,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908215975] [2021-10-29 00:04:51,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:51,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2021-10-29 00:04:51,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:51,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908215975] [2021-10-29 00:04:51,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908215975] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:51,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:51,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:51,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436619674] [2021-10-29 00:04:51,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:51,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:51,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:51,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:51,784 INFO L87 Difference]: Start difference. First operand 3836 states and 5142 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:52,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:52,044 INFO L93 Difference]: Finished difference Result 8044 states and 10852 transitions. [2021-10-29 00:04:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:52,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 311 [2021-10-29 00:04:52,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:52,058 INFO L225 Difference]: With dead ends: 8044 [2021-10-29 00:04:52,058 INFO L226 Difference]: Without dead ends: 4216 [2021-10-29 00:04:52,065 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 [2021-10-29 00:04:52,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2021-10-29 00:04:52,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4086. [2021-10-29 00:04:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4086 states, 4085 states have (on average 1.3321909424724603) internal successors, (5442), 4085 states have internal predecessors, (5442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 4086 states and 5442 transitions. [2021-10-29 00:04:52,325 INFO L78 Accepts]: Start accepts. Automaton has 4086 states and 5442 transitions. Word has length 311 [2021-10-29 00:04:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:52,326 INFO L470 AbstractCegarLoop]: Abstraction has 4086 states and 5442 transitions. [2021-10-29 00:04:52,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 5442 transitions. [2021-10-29 00:04:52,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-29 00:04:52,345 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:52,345 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:52,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-29 00:04:52,346 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:52,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 602793911, now seen corresponding path program 1 times [2021-10-29 00:04:52,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:52,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012621260] [2021-10-29 00:04:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:52,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-10-29 00:04:52,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:52,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012621260] [2021-10-29 00:04:52,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012621260] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:52,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:52,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:52,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139964424] [2021-10-29 00:04:52,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:52,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:52,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:52,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:52,444 INFO L87 Difference]: Start difference. First operand 4086 states and 5442 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:52,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:52,653 INFO L93 Difference]: Finished difference Result 6855 states and 9019 transitions. [2021-10-29 00:04:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:52,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 321 [2021-10-29 00:04:52,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:52,659 INFO L225 Difference]: With dead ends: 6855 [2021-10-29 00:04:52,660 INFO L226 Difference]: Without dead ends: 2133 [2021-10-29 00:04:52,666 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:52,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2021-10-29 00:04:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2133. [2021-10-29 00:04:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.301125703564728) internal successors, (2774), 2132 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2774 transitions. [2021-10-29 00:04:52,755 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2774 transitions. Word has length 321 [2021-10-29 00:04:52,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:52,756 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2774 transitions. [2021-10-29 00:04:52,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2774 transitions. [2021-10-29 00:04:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-10-29 00:04:52,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:52,767 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:52,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-29 00:04:52,767 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:52,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash -616309997, now seen corresponding path program 1 times [2021-10-29 00:04:52,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:52,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206277422] [2021-10-29 00:04:52,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:52,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2021-10-29 00:04:52,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:52,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206277422] [2021-10-29 00:04:52,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206277422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:52,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:52,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:52,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302861359] [2021-10-29 00:04:52,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:52,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:52,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:52,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:52,846 INFO L87 Difference]: Start difference. First operand 2133 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:53,092 INFO L93 Difference]: Finished difference Result 4298 states and 5601 transitions. [2021-10-29 00:04:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2021-10-29 00:04:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:53,099 INFO L225 Difference]: With dead ends: 4298 [2021-10-29 00:04:53,099 INFO L226 Difference]: Without dead ends: 2173 [2021-10-29 00:04:53,104 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 [2021-10-29 00:04:53,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-10-29 00:04:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2133. [2021-10-29 00:04:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.2823639774859288) internal successors, (2734), 2132 states have internal predecessors, (2734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2734 transitions. [2021-10-29 00:04:53,194 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2734 transitions. Word has length 337 [2021-10-29 00:04:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:53,194 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2734 transitions. [2021-10-29 00:04:53,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2734 transitions. [2021-10-29 00:04:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-10-29 00:04:53,206 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:53,206 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-29 00:04:53,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-29 00:04:53,207 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1063549815, now seen corresponding path program 1 times [2021-10-29 00:04:53,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:53,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443516417] [2021-10-29 00:04:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:53,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-10-29 00:04:53,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:53,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443516417] [2021-10-29 00:04:53,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443516417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:53,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:53,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:53,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143067176] [2021-10-29 00:04:53,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:53,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:53,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:53,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:53,291 INFO L87 Difference]: Start difference. First operand 2133 states and 2734 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:53,463 INFO L93 Difference]: Finished difference Result 4268 states and 5466 transitions. [2021-10-29 00:04:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 360 [2021-10-29 00:04:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:53,469 INFO L225 Difference]: With dead ends: 4268 [2021-10-29 00:04:53,469 INFO L226 Difference]: Without dead ends: 2143 [2021-10-29 00:04:53,474 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 [2021-10-29 00:04:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2021-10-29 00:04:53,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2133. [2021-10-29 00:04:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.2636022514071295) internal successors, (2694), 2132 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2694 transitions. [2021-10-29 00:04:53,562 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2694 transitions. Word has length 360 [2021-10-29 00:04:53,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:53,563 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2694 transitions. [2021-10-29 00:04:53,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2694 transitions. [2021-10-29 00:04:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-10-29 00:04:53,575 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:53,575 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-29 00:04:53,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-29 00:04:53,576 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2107174257, now seen corresponding path program 1 times [2021-10-29 00:04:53,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:53,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018047576] [2021-10-29 00:04:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:53,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-29 00:04:53,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:53,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018047576] [2021-10-29 00:04:53,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018047576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:53,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655823543] [2021-10-29 00:04:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:53,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:53,707 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:04:53,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-29 00:04:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:54,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:04:54,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:04:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2021-10-29 00:04:55,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655823543] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:55,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-29 00:04:55,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-29 00:04:55,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465795416] [2021-10-29 00:04:55,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:55,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:55,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:55,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:55,127 INFO L87 Difference]: Start difference. First operand 2133 states and 2694 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:55,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:55,208 INFO L93 Difference]: Finished difference Result 2711 states and 3448 transitions. [2021-10-29 00:04:55,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:55,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 393 [2021-10-29 00:04:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:55,215 INFO L225 Difference]: With dead ends: 2711 [2021-10-29 00:04:55,215 INFO L226 Difference]: Without dead ends: 2573 [2021-10-29 00:04:55,217 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:55,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2021-10-29 00:04:55,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1997. [2021-10-29 00:04:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1997 states, 1996 states have (on average 1.2725450901803608) internal successors, (2540), 1996 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2540 transitions. [2021-10-29 00:04:55,314 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2540 transitions. Word has length 393 [2021-10-29 00:04:55,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:55,315 INFO L470 AbstractCegarLoop]: Abstraction has 1997 states and 2540 transitions. [2021-10-29 00:04:55,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2540 transitions. [2021-10-29 00:04:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-10-29 00:04:55,346 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:55,349 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-29 00:04:55,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:55,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-10-29 00:04:55,559 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:55,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:55,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2021892229, now seen corresponding path program 1 times [2021-10-29 00:04:55,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:55,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337460268] [2021-10-29 00:04:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:55,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-10-29 00:04:55,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:55,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337460268] [2021-10-29 00:04:55,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337460268] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:55,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232590724] [2021-10-29 00:04:55,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:55,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:55,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:55,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:04:55,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-29 00:04:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:56,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:04:56,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:04:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-10-29 00:04:57,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232590724] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:57,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 00:04:57,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-29 00:04:57,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874828074] [2021-10-29 00:04:57,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:04:57,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:57,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:04:57,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:04:57,142 INFO L87 Difference]: Start difference. First operand 1997 states and 2540 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:57,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:57,513 INFO L93 Difference]: Finished difference Result 5016 states and 6404 transitions. [2021-10-29 00:04:57,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:04:57,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 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 409 [2021-10-29 00:04:57,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:57,521 INFO L225 Difference]: With dead ends: 5016 [2021-10-29 00:04:57,521 INFO L226 Difference]: Without dead ends: 2985 [2021-10-29 00:04:57,527 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2021-10-29 00:04:57,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2157. [2021-10-29 00:04:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2156 states have (on average 1.280148423005566) internal successors, (2760), 2156 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2760 transitions. [2021-10-29 00:04:57,678 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2760 transitions. Word has length 409 [2021-10-29 00:04:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:57,679 INFO L470 AbstractCegarLoop]: Abstraction has 2157 states and 2760 transitions. [2021-10-29 00:04:57,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2760 transitions. [2021-10-29 00:04:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-10-29 00:04:57,690 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:57,691 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2021-10-29 00:04:57,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-29 00:04:57,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:57,911 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:57,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1865506571, now seen corresponding path program 1 times [2021-10-29 00:04:57,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:57,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130967902] [2021-10-29 00:04:57,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:57,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2021-10-29 00:04:58,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:58,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130967902] [2021-10-29 00:04:58,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130967902] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:58,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:58,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:58,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144351716] [2021-10-29 00:04:58,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:58,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:58,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:58,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:58,041 INFO L87 Difference]: Start difference. First operand 2157 states and 2760 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:58,259 INFO L93 Difference]: Finished difference Result 4486 states and 5763 transitions. [2021-10-29 00:04:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:58,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 471 [2021-10-29 00:04:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:58,267 INFO L225 Difference]: With dead ends: 4486 [2021-10-29 00:04:58,267 INFO L226 Difference]: Without dead ends: 2337 [2021-10-29 00:04:58,272 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 [2021-10-29 00:04:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2021-10-29 00:04:58,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2327. [2021-10-29 00:04:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2326 states have (on average 1.2704213241616509) internal successors, (2955), 2326 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 2955 transitions. [2021-10-29 00:04:58,397 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 2955 transitions. Word has length 471 [2021-10-29 00:04:58,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:58,398 INFO L470 AbstractCegarLoop]: Abstraction has 2327 states and 2955 transitions. [2021-10-29 00:04:58,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:58,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2955 transitions. [2021-10-29 00:04:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-10-29 00:04:58,410 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:58,411 INFO L513 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 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] [2021-10-29 00:04:58,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-29 00:04:58,411 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:58,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:58,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1625661125, now seen corresponding path program 1 times [2021-10-29 00:04:58,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:58,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146840788] [2021-10-29 00:04:58,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:58,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2021-10-29 00:04:58,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:58,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146840788] [2021-10-29 00:04:58,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146840788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:58,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:58,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:58,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442136510] [2021-10-29 00:04:58,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:58,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:58,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:58,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:58,527 INFO L87 Difference]: Start difference. First operand 2327 states and 2955 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:58,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:58,710 INFO L93 Difference]: Finished difference Result 4641 states and 5888 transitions. [2021-10-29 00:04:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:58,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 533 [2021-10-29 00:04:58,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:58,717 INFO L225 Difference]: With dead ends: 4641 [2021-10-29 00:04:58,718 INFO L226 Difference]: Without dead ends: 2322 [2021-10-29 00:04:58,722 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:58,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2021-10-29 00:04:58,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2322. [2021-10-29 00:04:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2322 states, 2321 states have (on average 1.2429987074536837) internal successors, (2885), 2321 states have internal predecessors, (2885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2885 transitions. [2021-10-29 00:04:58,867 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2885 transitions. Word has length 533 [2021-10-29 00:04:58,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:58,868 INFO L470 AbstractCegarLoop]: Abstraction has 2322 states and 2885 transitions. [2021-10-29 00:04:58,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2885 transitions. [2021-10-29 00:04:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-10-29 00:04:58,878 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:58,879 INFO L513 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 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] [2021-10-29 00:04:58,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-29 00:04:58,879 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:58,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1600887189, now seen corresponding path program 1 times [2021-10-29 00:04:58,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:58,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984676317] [2021-10-29 00:04:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:58,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-29 00:04:59,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:59,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984676317] [2021-10-29 00:04:59,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984676317] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:04:59,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588537797] [2021-10-29 00:04:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:59,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:04:59,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:59,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:04:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-29 00:04:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:59,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:04:59,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:05:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-29 00:05:00,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588537797] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:05:00,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 00:05:00,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-29 00:05:00,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807227759] [2021-10-29 00:05:00,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:05:00,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:05:00,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:05:00,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:05:00,996 INFO L87 Difference]: Start difference. First operand 2322 states and 2885 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:05:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:05:01,205 INFO L93 Difference]: Finished difference Result 3917 states and 4895 transitions. [2021-10-29 00:05:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:05:01,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 599 [2021-10-29 00:05:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:05:01,207 INFO L225 Difference]: With dead ends: 3917 [2021-10-29 00:05:01,207 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 00:05:01,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:05:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 00:05:01,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 00:05:01,212 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) [2021-10-29 00:05:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 00:05:01,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2021-10-29 00:05:01,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:05:01,212 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:05:01,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:05:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 00:05:01,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 00:05:01,216 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:05:01,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-29 00:05:01,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-29 00:05:01,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 00:05:01,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:01,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:02,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:03,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:05:11,899 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-10-29 00:05:11,900 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2021-10-29 00:05:11,900 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 417) no Hoare annotation was computed. [2021-10-29 00:05:11,900 INFO L853 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse4 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-29 00:05:11,901 INFO L853 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-29 00:05:11,901 INFO L853 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,901 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2021-10-29 00:05:11,901 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 502) no Hoare annotation was computed. [2021-10-29 00:05:11,901 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2021-10-29 00:05:11,902 INFO L860 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2021-10-29 00:05:11,902 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2021-10-29 00:05:11,902 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2021-10-29 00:05:11,902 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2021-10-29 00:05:11,902 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2021-10-29 00:05:11,903 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2021-10-29 00:05:11,903 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2021-10-29 00:05:11,903 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2021-10-29 00:05:11,903 INFO L857 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2021-10-29 00:05:11,903 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-29 00:05:11,904 INFO L857 garLoopResultBuilder]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2021-10-29 00:05:11,904 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 437 445) no Hoare annotation was computed. [2021-10-29 00:05:11,904 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-10-29 00:05:11,904 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2021-10-29 00:05:11,904 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2021-10-29 00:05:11,904 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2021-10-29 00:05:11,905 INFO L857 garLoopResultBuilder]: For program point L504(lines 504 510) no Hoare annotation was computed. [2021-10-29 00:05:11,905 INFO L853 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse3) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse4) (and .cse0 .cse2 .cse1 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-29 00:05:11,905 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-29 00:05:11,905 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 443) no Hoare annotation was computed. [2021-10-29 00:05:11,906 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 379) no Hoare annotation was computed. [2021-10-29 00:05:11,906 INFO L857 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2021-10-29 00:05:11,906 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2021-10-29 00:05:11,906 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2021-10-29 00:05:11,907 INFO L853 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse29 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse6 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not .cse27)) (.cse12 (not .cse29)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse15 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse11 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse24 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse23 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse19 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse25 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse28 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse16 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse17 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse22 (not .cse10)) (.cse14 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse17 .cse1 .cse18) (and .cse19 .cse20) (and .cse11 .cse21 .cse22 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse23 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse24 .cse18 .cse19) (and .cse21 .cse20) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse10 .cse17 .cse25 .cse26) (and .cse4 .cse5 .cse24 .cse6 .cse7 .cse9 .cse0 .cse13 .cse15 .cse25) (and .cse27 .cse10 .cse14) (and .cse4 .cse5 .cse28 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse28 .cse19) (and .cse10 .cse14 .cse29) (and .cse24 .cse10 .cse18 .cse14) (and .cse1 .cse2 .cse3 .cse18 .cse14) (and .cse0 .cse20) (and .cse0 .cse23) (and .cse4 .cse5 .cse24 .cse7 .cse9 .cse13 .cse15 .cse25 .cse19) (and .cse1 .cse2 .cse22 .cse3 .cse14) (and .cse10 .cse1 .cse2 .cse3 .cse19) (and .cse11 .cse3 .cse19) (and .cse24 .cse0 .cse18) (and .cse23 .cse19) (and .cse21 .cse22 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25 .cse26) (and .cse28 .cse0) (and .cse16 .cse17 .cse1 .cse22) (and .cse14 .cse20)))) [2021-10-29 00:05:11,907 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2021-10-29 00:05:11,907 INFO L857 garLoopResultBuilder]: For program point L507-2(lines 219 553) no Hoare annotation was computed. [2021-10-29 00:05:11,907 INFO L853 garLoopResultBuilder]: At program point L408(lines 399 417) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-29 00:05:11,907 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2021-10-29 00:05:11,908 INFO L853 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse2) (and .cse0 .cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse0) (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1 .cse2) (and .cse3 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2))) [2021-10-29 00:05:11,908 INFO L853 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,908 INFO L857 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-10-29 00:05:11,908 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2021-10-29 00:05:11,908 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2021-10-29 00:05:11,909 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 378) no Hoare annotation was computed. [2021-10-29 00:05:11,909 INFO L857 garLoopResultBuilder]: For program point L344-1(lines 344 378) no Hoare annotation was computed. [2021-10-29 00:05:11,909 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2021-10-29 00:05:11,909 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2021-10-29 00:05:11,909 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2021-10-29 00:05:11,910 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2021-10-29 00:05:11,910 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2021-10-29 00:05:11,910 INFO L857 garLoopResultBuilder]: For program point L411(lines 411 413) no Hoare annotation was computed. [2021-10-29 00:05:11,910 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 375) no Hoare annotation was computed. [2021-10-29 00:05:11,910 INFO L853 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse2 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2021-10-29 00:05:11,910 INFO L853 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: false [2021-10-29 00:05:11,911 INFO L860 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2021-10-29 00:05:11,911 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2021-10-29 00:05:11,911 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2021-10-29 00:05:11,911 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2021-10-29 00:05:11,911 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2021-10-29 00:05:11,911 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2021-10-29 00:05:11,912 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 322) no Hoare annotation was computed. [2021-10-29 00:05:11,912 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 315 322) no Hoare annotation was computed. [2021-10-29 00:05:11,912 INFO L853 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-29 00:05:11,912 INFO L853 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,913 INFO L853 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-29 00:05:11,913 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 373) no Hoare annotation was computed. [2021-10-29 00:05:11,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 00:05:11,913 INFO L853 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-29 00:05:11,913 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2021-10-29 00:05:11,913 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2021-10-29 00:05:11,914 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2021-10-29 00:05:11,914 INFO L857 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2021-10-29 00:05:11,914 INFO L857 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2021-10-29 00:05:11,914 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2021-10-29 00:05:11,914 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-10-29 00:05:11,914 INFO L857 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2021-10-29 00:05:11,915 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 453) no Hoare annotation was computed. [2021-10-29 00:05:11,915 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 321) no Hoare annotation was computed. [2021-10-29 00:05:11,915 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-10-29 00:05:11,915 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2021-10-29 00:05:11,915 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2021-10-29 00:05:11,915 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2021-10-29 00:05:11,916 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2021-10-29 00:05:11,916 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2021-10-29 00:05:11,916 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 488) no Hoare annotation was computed. [2021-10-29 00:05:11,916 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 419) no Hoare annotation was computed. [2021-10-29 00:05:11,916 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2021-10-29 00:05:11,916 INFO L853 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse0 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2))) [2021-10-29 00:05:11,917 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,917 INFO L853 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,917 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 463) no Hoare annotation was computed. [2021-10-29 00:05:11,917 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2021-10-29 00:05:11,917 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 00:05:11,918 INFO L860 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2021-10-29 00:05:11,918 INFO L853 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse29 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse6 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not .cse27)) (.cse12 (not .cse29)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse15 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse11 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse24 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse23 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse19 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse25 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse28 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse16 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse17 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse22 (not .cse10)) (.cse14 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse17 .cse1 .cse18) (and .cse19 .cse20) (and .cse11 .cse21 .cse22 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse23 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse24 .cse18 .cse19) (and .cse21 .cse20) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse10 .cse17 .cse25 .cse26) (and .cse4 .cse5 .cse24 .cse6 .cse7 .cse9 .cse0 .cse13 .cse15 .cse25) (and .cse27 .cse10 .cse14) (and .cse4 .cse5 .cse28 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse28 .cse19) (and .cse10 .cse14 .cse29) (and .cse24 .cse10 .cse18 .cse14) (and .cse1 .cse2 .cse3 .cse18 .cse14) (and .cse0 .cse20) (and .cse0 .cse23) (and .cse4 .cse5 .cse24 .cse7 .cse9 .cse13 .cse15 .cse25 .cse19) (and .cse1 .cse2 .cse22 .cse3 .cse14) (and .cse10 .cse1 .cse2 .cse3 .cse19) (and .cse11 .cse3 .cse19) (and .cse24 .cse0 .cse18) (and .cse23 .cse19) (and .cse21 .cse22 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25 .cse26) (and .cse28 .cse0) (and .cse16 .cse17 .cse1 .cse22) (and .cse14 .cse20)))) [2021-10-29 00:05:11,918 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2021-10-29 00:05:11,918 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2021-10-29 00:05:11,919 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2021-10-29 00:05:11,919 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 493) no Hoare annotation was computed. [2021-10-29 00:05:11,919 INFO L857 garLoopResultBuilder]: For program point L489-2(lines 489 493) no Hoare annotation was computed. [2021-10-29 00:05:11,919 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-29 00:05:11,919 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 00:05:11,919 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2021-10-29 00:05:11,920 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2021-10-29 00:05:11,920 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2021-10-29 00:05:11,920 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2021-10-29 00:05:11,920 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2021-10-29 00:05:11,920 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2021-10-29 00:05:11,920 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2021-10-29 00:05:11,921 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2021-10-29 00:05:11,921 INFO L853 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2021-10-29 00:05:11,921 INFO L853 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2021-10-29 00:05:11,921 INFO L853 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,921 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2021-10-29 00:05:11,922 INFO L857 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2021-10-29 00:05:11,922 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2021-10-29 00:05:11,922 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2021-10-29 00:05:11,922 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2021-10-29 00:05:11,922 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2021-10-29 00:05:11,922 INFO L857 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2021-10-29 00:05:11,923 INFO L853 garLoopResultBuilder]: At program point L362(lines 338 380) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-29 00:05:11,923 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2021-10-29 00:05:11,923 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2021-10-29 00:05:11,923 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2021-10-29 00:05:11,923 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 00:05:11,924 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-29 00:05:11,924 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 431) no Hoare annotation was computed. [2021-10-29 00:05:11,924 INFO L853 garLoopResultBuilder]: At program point L396(lines 387 419) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-29 00:05:11,924 INFO L853 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-29 00:05:11,924 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2021-10-29 00:05:11,925 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 366) no Hoare annotation was computed. [2021-10-29 00:05:11,925 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 300) no Hoare annotation was computed. [2021-10-29 00:05:11,925 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-10-29 00:05:11,925 INFO L857 garLoopResultBuilder]: For program point L298-2(lines 219 553) no Hoare annotation was computed. [2021-10-29 00:05:11,925 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-10-29 00:05:11,925 INFO L857 garLoopResultBuilder]: For program point L332-2(lines 219 553) no Hoare annotation was computed. [2021-10-29 00:05:11,926 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2021-10-29 00:05:11,926 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2021-10-29 00:05:11,926 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2021-10-29 00:05:11,926 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-10-29 00:05:11,926 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2021-10-29 00:05:11,929 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:11,931 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 00:05:11,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:05:11 BoogieIcfgContainer [2021-10-29 00:05:11,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 00:05:11,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:05:11,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:05:11,974 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:05:11,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:39" (3/4) ... [2021-10-29 00:05:11,978 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 00:05:12,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 00:05:12,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 00:05:12,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 00:05:12,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 00:05:12,112 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:05:12,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:05:12,114 INFO L168 Benchmark]: Toolchain (without parser) took 33777.84 ms. Allocated memory was 104.9 MB in the beginning and 547.4 MB in the end (delta: 442.5 MB). Free memory was 73.4 MB in the beginning and 192.0 MB in the end (delta: -118.7 MB). Peak memory consumption was 323.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,115 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 104.9 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:12,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.22 ms. Allocated memory is still 104.9 MB. Free memory was 73.1 MB in the beginning and 75.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.27 ms. Allocated memory is still 104.9 MB. Free memory was 75.2 MB in the beginning and 72.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,116 INFO L168 Benchmark]: Boogie Preprocessor took 58.18 ms. Allocated memory is still 104.9 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,116 INFO L168 Benchmark]: RCFGBuilder took 894.57 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 70.2 MB in the beginning and 97.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,117 INFO L168 Benchmark]: TraceAbstraction took 32023.89 ms. Allocated memory was 125.8 MB in the beginning and 547.4 MB in the end (delta: 421.5 MB). Free memory was 97.3 MB in the beginning and 205.7 MB in the end (delta: -108.4 MB). Peak memory consumption was 326.7 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,117 INFO L168 Benchmark]: Witness Printer took 138.96 ms. Allocated memory is still 547.4 MB. Free memory was 205.7 MB in the beginning and 192.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:12,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 104.9 MB. Free memory is still 60.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.22 ms. Allocated memory is still 104.9 MB. Free memory was 73.1 MB in the beginning and 75.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.27 ms. Allocated memory is still 104.9 MB. Free memory was 75.2 MB in the beginning and 72.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.18 ms. Allocated memory is still 104.9 MB. Free memory was 72.3 MB in the beginning and 70.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 894.57 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 70.2 MB in the beginning and 97.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32023.89 ms. Allocated memory was 125.8 MB in the beginning and 547.4 MB in the end (delta: 421.5 MB). Free memory was 97.3 MB in the beginning and 205.7 MB in the end (delta: -108.4 MB). Peak memory consumption was 326.7 MB. Max. memory is 16.1 GB. * Witness Printer took 138.96 ms. Allocated memory is still 547.4 MB. Free memory was 205.7 MB in the beginning and 192.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 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: 619]: 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, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 35, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6694 SDtfs, 4128 SDslu, 3183 SDs, 0 SdLazy, 3455 SolverSat, 958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1954 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4086occurred in iteration=27, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 35 MinimizatonAttempts, 4500 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 241 NumberOfFragments, 3241 HoareAnnotationTreeSize, 28 FomulaSimplifications, 154560 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 28 FomulaSimplificationsInter, 31171 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 9249 NumberOfCodeBlocks, 9249 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 9209 ConstructedInterpolants, 0 QuantifiedInterpolants, 12714 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3115 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 40 InterpolantComputations, 31 PerfectInterpolantSequences, 30536/30750 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8672) && s__state <= 8672) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag) || (((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && 8640 <= s__state)) || ((((!(s__state == 8672) && s__state <= 8672) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((!(s__state == 8672) && s__hit == 0) && s__state <= 8672) && 8640 <= s__state) && blastFlag == 1) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && s__state == 8608) || (s__state == 8608 && blastFlag == 1)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && s__state == 8528) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag == 1 && s__state <= 3)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8544 && s__hit == 0) && 2 == blastFlag)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8592) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8512) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (s__state == 8592 && blastFlag == 1)) || ((s__hit == 0 && 2 == blastFlag) && 8560 == s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (blastFlag == 0 && s__state <= 3)) || (blastFlag == 0 && s__state == 8608)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || ((((s__hit == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8608 && blastFlag == 1)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (s__state == 8592 && blastFlag == 0)) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && !(s__hit == 0))) || (2 == blastFlag && s__state <= 3) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && !(8448 == s__state)) && blastFlag == 1) && s__state <= 8448) || (((blastFlag == 0 && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && s__state <= 8448)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && s__state <= 8448) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag == 0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((((8672 <= s__state && blastFlag == 0) && !(12292 == s__state)) || (((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || ((8672 <= s__state && !(12292 == s__state)) && blastFlag == 1)) || (((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) && !(s__hit == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || ((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || ((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) || (((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && 8640 <= s__state) && blastFlag == 1)) || ((((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || ((((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || (((((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && 8640 <= s__state) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && s__state == 8528) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag == 1 && s__state <= 3)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8544 && s__hit == 0) && 2 == blastFlag)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8592) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8512) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (s__state == 8592 && blastFlag == 1)) || ((s__hit == 0 && 2 == blastFlag) && 8560 == s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (blastFlag == 0 && s__state <= 3)) || (blastFlag == 0 && s__state == 8608)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || ((((s__hit == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8608 && blastFlag == 1)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (s__state == 8592 && blastFlag == 0)) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && !(s__hit == 0))) || (2 == blastFlag && s__state <= 3) RESULT: Ultimate proved your program to be correct! [2021-10-29 00:05:12,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ba69a18-d362-44d7-905a-2437df60b535/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...