./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:13:24,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:13:24,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:13:24,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:13:24,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:13:24,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:13:24,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:13:24,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:13:24,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:13:24,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:13:24,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:13:24,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:13:24,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:13:24,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:13:24,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:13:24,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:13:24,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:13:24,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:13:24,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:13:24,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:13:24,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:13:24,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:13:24,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:13:24,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:13:24,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:13:24,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:13:24,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:13:24,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:13:24,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:13:24,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:13:24,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:13:24,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:13:24,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:13:24,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:13:24,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:13:24,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:13:24,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:13:24,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:13:24,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:13:24,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:13:24,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:13:24,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:13:24,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:13:24,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:13:24,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:13:24,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:13:24,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:13:24,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:13:24,257 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:13:24,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:13:24,258 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:13:24,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:13:24,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:13:24,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:13:24,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:13:24,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:13:24,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:13:24,260 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:13:24,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:13:24,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:13:24,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:13:24,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:13:24,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:13:24,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:13:24,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:13:24,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:13:24,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:13:24,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:13:24,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:13:24,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:13:24,263 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:13:24,263 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:13:24,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:13:24,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:13:24,264 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_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a12e124f66b10df64ef68155d31c3be83012aab827a45870f5335a6569b75a [2021-10-21 19:13:24,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:13:24,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:13:24,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:13:24,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:13:24,572 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:13:24,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-21 19:13:24,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/data/e0e119ab1/a9ce9e73d3614d7081b8d18025300cdd/FLAG3e17fd925 [2021-10-21 19:13:25,207 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:13:25,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2021-10-21 19:13:25,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/data/e0e119ab1/a9ce9e73d3614d7081b8d18025300cdd/FLAG3e17fd925 [2021-10-21 19:13:25,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/data/e0e119ab1/a9ce9e73d3614d7081b8d18025300cdd [2021-10-21 19:13:25,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:13:25,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:13:25,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:13:25,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:13:25,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:13:25,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:13:25" (1/1) ... [2021-10-21 19:13:25,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17426f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:25, skipping insertion in model container [2021-10-21 19:13:25,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:13:25" (1/1) ... [2021-10-21 19:13:25,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:13:25,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:13:25,797 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_81500ca4-5e18-4d75-86fa-db1833227acf/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-21 19:13:26,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:13:26,093 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:13:26,123 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_81500ca4-5e18-4d75-86fa-db1833227acf/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c[4289,4302] [2021-10-21 19:13:26,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:13:26,267 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:13:26,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26 WrapperNode [2021-10-21 19:13:26,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:13:26,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:13:26,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:13:26,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:13:26,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:13:26,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:13:26,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:13:26,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:13:26,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:13:26,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:13:26,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:13:26,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:13:26,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (1/1) ... [2021-10-21 19:13:26,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:13:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:13:26,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:13:26,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:13:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 19:13:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:13:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:13:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:13:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:13:27,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:13:27,575 INFO L299 CfgBuilder]: Removed 127 assume(true) statements. [2021-10-21 19:13:27,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:13:27 BoogieIcfgContainer [2021-10-21 19:13:27,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:13:27,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:13:27,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:13:27,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:13:27,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:13:25" (1/3) ... [2021-10-21 19:13:27,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2320c555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:13:27, skipping insertion in model container [2021-10-21 19:13:27,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:13:26" (2/3) ... [2021-10-21 19:13:27,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2320c555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:13:27, skipping insertion in model container [2021-10-21 19:13:27,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:13:27" (3/3) ... [2021-10-21 19:13:27,585 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2021-10-21 19:13:27,590 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:13:27,590 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-21 19:13:27,635 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:13:27,641 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:13:27,642 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-21 19:13:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:13:27,661 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:27,662 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:27,662 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:27,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1721357046, now seen corresponding path program 1 times [2021-10-21 19:13:27,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:27,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008591175] [2021-10-21 19:13:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:27,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:28,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:28,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008591175] [2021-10-21 19:13:28,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008591175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:28,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:28,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:13:28,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673589202] [2021-10-21 19:13:28,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:13:28,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:13:28,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:13:28,024 INFO L87 Difference]: Start difference. First operand has 134 states, 131 states have (on average 1.6488549618320612) internal successors, (216), 133 states have internal predecessors, (216), 0 states have call successors, (0), 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 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:28,076 INFO L93 Difference]: Finished difference Result 221 states and 347 transitions. [2021-10-21 19:13:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:13:28,078 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2021-10-21 19:13:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:28,091 INFO L225 Difference]: With dead ends: 221 [2021-10-21 19:13:28,092 INFO L226 Difference]: Without dead ends: 118 [2021-10-21 19:13:28,095 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:13:28,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-21 19:13:28,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-21 19:13:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.6120689655172413) internal successors, (187), 117 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 187 transitions. [2021-10-21 19:13:28,150 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 187 transitions. Word has length 34 [2021-10-21 19:13:28,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:28,150 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 187 transitions. [2021-10-21 19:13:28,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2021-10-21 19:13:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-21 19:13:28,153 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:28,153 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:28,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:13:28,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:28,159 INFO L82 PathProgramCache]: Analyzing trace with hash -122239248, now seen corresponding path program 1 times [2021-10-21 19:13:28,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:28,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697811265] [2021-10-21 19:13:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:28,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:28,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:28,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697811265] [2021-10-21 19:13:28,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697811265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:28,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:28,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:28,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909438360] [2021-10-21 19:13:28,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:28,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:28,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:28,327 INFO L87 Difference]: Start difference. First operand 118 states and 187 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:28,374 INFO L93 Difference]: Finished difference Result 327 states and 519 transitions. [2021-10-21 19:13:28,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:28,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2021-10-21 19:13:28,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:28,378 INFO L225 Difference]: With dead ends: 327 [2021-10-21 19:13:28,378 INFO L226 Difference]: Without dead ends: 220 [2021-10-21 19:13:28,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-21 19:13:28,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 117. [2021-10-21 19:13:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.5913043478260869) internal successors, (183), 116 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 183 transitions. [2021-10-21 19:13:28,398 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 183 transitions. Word has length 35 [2021-10-21 19:13:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:28,399 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 183 transitions. [2021-10-21 19:13:28,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2021-10-21 19:13:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-21 19:13:28,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:28,404 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:28,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:13:28,404 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:28,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:28,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2107249571, now seen corresponding path program 1 times [2021-10-21 19:13:28,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:28,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977405994] [2021-10-21 19:13:28,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:28,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:28,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:28,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:28,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977405994] [2021-10-21 19:13:28,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977405994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:28,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:28,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:28,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365520826] [2021-10-21 19:13:28,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:28,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:28,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:28,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:28,519 INFO L87 Difference]: Start difference. First operand 117 states and 183 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:28,548 INFO L93 Difference]: Finished difference Result 220 states and 346 transitions. [2021-10-21 19:13:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:28,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2021-10-21 19:13:28,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:28,550 INFO L225 Difference]: With dead ends: 220 [2021-10-21 19:13:28,550 INFO L226 Difference]: Without dead ends: 118 [2021-10-21 19:13:28,551 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:28,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-21 19:13:28,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2021-10-21 19:13:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 115 states have (on average 1.565217391304348) internal successors, (180), 116 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 180 transitions. [2021-10-21 19:13:28,561 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 180 transitions. Word has length 36 [2021-10-21 19:13:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:28,562 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 180 transitions. [2021-10-21 19:13:28,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 180 transitions. [2021-10-21 19:13:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-21 19:13:28,563 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:28,564 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:28,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:13:28,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:28,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:28,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1032935230, now seen corresponding path program 1 times [2021-10-21 19:13:28,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:28,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767373469] [2021-10-21 19:13:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:28,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:28,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:28,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:28,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767373469] [2021-10-21 19:13:28,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767373469] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:28,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:28,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:28,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433012442] [2021-10-21 19:13:28,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:28,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:28,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:28,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:28,643 INFO L87 Difference]: Start difference. First operand 117 states and 180 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:28,656 INFO L93 Difference]: Finished difference Result 191 states and 289 transitions. [2021-10-21 19:13:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:28,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2021-10-21 19:13:28,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:28,658 INFO L225 Difference]: With dead ends: 191 [2021-10-21 19:13:28,658 INFO L226 Difference]: Without dead ends: 120 [2021-10-21 19:13:28,662 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-21 19:13:28,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2021-10-21 19:13:28,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.5555555555555556) internal successors, (182), 118 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 182 transitions. [2021-10-21 19:13:28,685 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 182 transitions. Word has length 38 [2021-10-21 19:13:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:28,685 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 182 transitions. [2021-10-21 19:13:28,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 182 transitions. [2021-10-21 19:13:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-21 19:13:28,689 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:28,690 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:13:28,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:13:28,690 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:28,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:28,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1719269101, now seen corresponding path program 1 times [2021-10-21 19:13:28,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:28,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243519855] [2021-10-21 19:13:28,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:28,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:28,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:28,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243519855] [2021-10-21 19:13:28,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243519855] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:13:28,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201917930] [2021-10-21 19:13:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:28,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:13:28,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:13:28,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:13:28,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:13:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:29,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:13:29,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:13:29,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:29,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201917930] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:13:29,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:13:29,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-21 19:13:29,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165845553] [2021-10-21 19:13:29,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:13:29,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:29,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:13:29,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:13:29,319 INFO L87 Difference]: Start difference. First operand 119 states and 182 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:29,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:29,345 INFO L93 Difference]: Finished difference Result 291 states and 448 transitions. [2021-10-21 19:13:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:13:29,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 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 43 [2021-10-21 19:13:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:29,348 INFO L225 Difference]: With dead ends: 291 [2021-10-21 19:13:29,348 INFO L226 Difference]: Without dead ends: 220 [2021-10-21 19:13:29,349 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:13:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-21 19:13:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 148. [2021-10-21 19:13:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 146 states have (on average 1.6164383561643836) internal successors, (236), 147 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 236 transitions. [2021-10-21 19:13:29,363 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 236 transitions. Word has length 43 [2021-10-21 19:13:29,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:29,364 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 236 transitions. [2021-10-21 19:13:29,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:29,364 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 236 transitions. [2021-10-21 19:13:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-21 19:13:29,366 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:29,366 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:29,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:13:29,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:13:29,591 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:29,592 INFO L82 PathProgramCache]: Analyzing trace with hash 196922526, now seen corresponding path program 2 times [2021-10-21 19:13:29,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:29,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164858572] [2021-10-21 19:13:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:29,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:13:29,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:29,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164858572] [2021-10-21 19:13:29,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164858572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:29,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:29,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:13:29,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673591351] [2021-10-21 19:13:29,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:13:29,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:13:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:13:29,707 INFO L87 Difference]: Start difference. First operand 148 states and 236 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:29,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:29,762 INFO L93 Difference]: Finished difference Result 373 states and 603 transitions. [2021-10-21 19:13:29,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:13:29,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-10-21 19:13:29,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:29,765 INFO L225 Difference]: With dead ends: 373 [2021-10-21 19:13:29,765 INFO L226 Difference]: Without dead ends: 273 [2021-10-21 19:13:29,765 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:13:29,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2021-10-21 19:13:29,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 202. [2021-10-21 19:13:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 200 states have (on average 1.685) internal successors, (337), 201 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 337 transitions. [2021-10-21 19:13:29,790 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 337 transitions. Word has length 48 [2021-10-21 19:13:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:29,791 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 337 transitions. [2021-10-21 19:13:29,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 337 transitions. [2021-10-21 19:13:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-21 19:13:29,794 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:29,794 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:29,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:13:29,795 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:29,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:29,805 INFO L82 PathProgramCache]: Analyzing trace with hash -867360645, now seen corresponding path program 1 times [2021-10-21 19:13:29,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:29,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631206454] [2021-10-21 19:13:29,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:29,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:29,980 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:13:29,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:29,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631206454] [2021-10-21 19:13:29,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631206454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:29,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:29,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-21 19:13:29,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672799432] [2021-10-21 19:13:29,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:13:29,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:29,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:13:29,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:13:29,983 INFO L87 Difference]: Start difference. First operand 202 states and 337 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 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) [2021-10-21 19:13:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:30,692 INFO L93 Difference]: Finished difference Result 645 states and 945 transitions. [2021-10-21 19:13:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-21 19:13:30,693 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 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 49 [2021-10-21 19:13:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:30,697 INFO L225 Difference]: With dead ends: 645 [2021-10-21 19:13:30,697 INFO L226 Difference]: Without dead ends: 596 [2021-10-21 19:13:30,699 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 343.8ms TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2021-10-21 19:13:30,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-10-21 19:13:30,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 236. [2021-10-21 19:13:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 234 states have (on average 1.641025641025641) internal successors, (384), 235 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 384 transitions. [2021-10-21 19:13:30,729 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 384 transitions. Word has length 49 [2021-10-21 19:13:30,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:30,731 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 384 transitions. [2021-10-21 19:13:30,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 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) [2021-10-21 19:13:30,732 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 384 transitions. [2021-10-21 19:13:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-21 19:13:30,733 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:30,734 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:30,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:13:30,734 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1932642042, now seen corresponding path program 1 times [2021-10-21 19:13:30,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:30,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947031063] [2021-10-21 19:13:30,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:30,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:30,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:13:30,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:30,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947031063] [2021-10-21 19:13:30,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947031063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:30,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:30,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:13:30,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736899001] [2021-10-21 19:13:30,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:13:30,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:30,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:13:30,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:13:30,842 INFO L87 Difference]: Start difference. First operand 236 states and 384 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:30,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:30,920 INFO L93 Difference]: Finished difference Result 368 states and 565 transitions. [2021-10-21 19:13:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:13:30,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 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 50 [2021-10-21 19:13:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:30,923 INFO L225 Difference]: With dead ends: 368 [2021-10-21 19:13:30,923 INFO L226 Difference]: Without dead ends: 279 [2021-10-21 19:13:30,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:13:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-10-21 19:13:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 232. [2021-10-21 19:13:30,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 230 states have (on average 1.6391304347826088) internal successors, (377), 231 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 377 transitions. [2021-10-21 19:13:30,949 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 377 transitions. Word has length 50 [2021-10-21 19:13:30,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:30,949 INFO L470 AbstractCegarLoop]: Abstraction has 232 states and 377 transitions. [2021-10-21 19:13:30,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 377 transitions. [2021-10-21 19:13:30,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-21 19:13:30,951 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:30,951 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:30,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:13:30,951 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:30,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:30,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1701439479, now seen corresponding path program 1 times [2021-10-21 19:13:30,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:30,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103698716] [2021-10-21 19:13:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:30,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:13:31,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:31,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103698716] [2021-10-21 19:13:31,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103698716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:31,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:31,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:13:31,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775895581] [2021-10-21 19:13:31,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:13:31,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:31,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:13:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:13:31,053 INFO L87 Difference]: Start difference. First operand 232 states and 377 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:31,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:31,177 INFO L93 Difference]: Finished difference Result 550 states and 851 transitions. [2021-10-21 19:13:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:13:31,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 50 [2021-10-21 19:13:31,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:31,182 INFO L225 Difference]: With dead ends: 550 [2021-10-21 19:13:31,182 INFO L226 Difference]: Without dead ends: 468 [2021-10-21 19:13:31,183 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:13:31,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2021-10-21 19:13:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 388. [2021-10-21 19:13:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 386 states have (on average 1.616580310880829) internal successors, (624), 387 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 624 transitions. [2021-10-21 19:13:31,230 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 624 transitions. Word has length 50 [2021-10-21 19:13:31,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:31,230 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 624 transitions. [2021-10-21 19:13:31,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:31,231 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 624 transitions. [2021-10-21 19:13:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-21 19:13:31,231 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:31,232 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:31,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:13:31,232 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:31,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1663962474, now seen corresponding path program 1 times [2021-10-21 19:13:31,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:31,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108072485] [2021-10-21 19:13:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:31,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:13:31,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:31,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108072485] [2021-10-21 19:13:31,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108072485] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:31,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:31,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-21 19:13:31,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947506302] [2021-10-21 19:13:31,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:13:31,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:13:31,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:13:31,355 INFO L87 Difference]: Start difference. First operand 388 states and 624 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:31,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:31,920 INFO L93 Difference]: Finished difference Result 917 states and 1348 transitions. [2021-10-21 19:13:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-21 19:13:31,920 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 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 51 [2021-10-21 19:13:31,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:31,926 INFO L225 Difference]: With dead ends: 917 [2021-10-21 19:13:31,927 INFO L226 Difference]: Without dead ends: 759 [2021-10-21 19:13:31,928 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 186.7ms TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2021-10-21 19:13:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-10-21 19:13:31,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 467. [2021-10-21 19:13:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 465 states have (on average 1.578494623655914) internal successors, (734), 466 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 734 transitions. [2021-10-21 19:13:31,996 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 734 transitions. Word has length 51 [2021-10-21 19:13:31,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:31,997 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 734 transitions. [2021-10-21 19:13:31,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 734 transitions. [2021-10-21 19:13:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 19:13:31,999 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:31,999 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:32,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:13:32,000 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:32,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:32,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1224175828, now seen corresponding path program 1 times [2021-10-21 19:13:32,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:32,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753413762] [2021-10-21 19:13:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:32,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:13:32,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:32,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753413762] [2021-10-21 19:13:32,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753413762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:32,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:32,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:13:32,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539507362] [2021-10-21 19:13:32,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:13:32,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:13:32,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:13:32,072 INFO L87 Difference]: Start difference. First operand 467 states and 734 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:32,130 INFO L93 Difference]: Finished difference Result 558 states and 850 transitions. [2021-10-21 19:13:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:13:32,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 52 [2021-10-21 19:13:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:32,133 INFO L225 Difference]: With dead ends: 558 [2021-10-21 19:13:32,134 INFO L226 Difference]: Without dead ends: 374 [2021-10-21 19:13:32,134 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:13:32,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-10-21 19:13:32,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2021-10-21 19:13:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 337 states have (on average 1.6112759643916914) internal successors, (543), 338 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 543 transitions. [2021-10-21 19:13:32,170 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 543 transitions. Word has length 52 [2021-10-21 19:13:32,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:32,171 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 543 transitions. [2021-10-21 19:13:32,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 543 transitions. [2021-10-21 19:13:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-21 19:13:32,172 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:32,173 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:32,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:13:32,177 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:32,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:32,178 INFO L82 PathProgramCache]: Analyzing trace with hash -944544913, now seen corresponding path program 1 times [2021-10-21 19:13:32,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:32,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049427118] [2021-10-21 19:13:32,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:32,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 19:13:32,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:32,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049427118] [2021-10-21 19:13:32,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049427118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:32,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:32,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:32,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148269838] [2021-10-21 19:13:32,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:32,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:32,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:32,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,230 INFO L87 Difference]: Start difference. First operand 339 states and 543 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:32,318 INFO L93 Difference]: Finished difference Result 911 states and 1459 transitions. [2021-10-21 19:13:32,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:32,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-10-21 19:13:32,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:32,324 INFO L225 Difference]: With dead ends: 911 [2021-10-21 19:13:32,324 INFO L226 Difference]: Without dead ends: 598 [2021-10-21 19:13:32,325 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2021-10-21 19:13:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 453. [2021-10-21 19:13:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 451 states have (on average 1.6563192904656319) internal successors, (747), 452 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 747 transitions. [2021-10-21 19:13:32,381 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 747 transitions. Word has length 57 [2021-10-21 19:13:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:32,381 INFO L470 AbstractCegarLoop]: Abstraction has 453 states and 747 transitions. [2021-10-21 19:13:32,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 747 transitions. [2021-10-21 19:13:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 19:13:32,383 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:32,383 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:32,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:13:32,384 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:32,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:32,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1173566898, now seen corresponding path program 1 times [2021-10-21 19:13:32,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:32,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106728577] [2021-10-21 19:13:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:32,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:13:32,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:32,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106728577] [2021-10-21 19:13:32,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106728577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:32,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:32,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:32,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928491453] [2021-10-21 19:13:32,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:32,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:32,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:32,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,430 INFO L87 Difference]: Start difference. First operand 453 states and 747 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:32,495 INFO L93 Difference]: Finished difference Result 855 states and 1347 transitions. [2021-10-21 19:13:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:32,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 58 [2021-10-21 19:13:32,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:32,499 INFO L225 Difference]: With dead ends: 855 [2021-10-21 19:13:32,499 INFO L226 Difference]: Without dead ends: 569 [2021-10-21 19:13:32,500 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-21 19:13:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 424. [2021-10-21 19:13:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 422 states have (on average 1.6374407582938388) internal successors, (691), 423 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 691 transitions. [2021-10-21 19:13:32,544 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 691 transitions. Word has length 58 [2021-10-21 19:13:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:32,544 INFO L470 AbstractCegarLoop]: Abstraction has 424 states and 691 transitions. [2021-10-21 19:13:32,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 691 transitions. [2021-10-21 19:13:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-21 19:13:32,546 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:32,546 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:32,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:13:32,546 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:32,547 INFO L82 PathProgramCache]: Analyzing trace with hash 328528683, now seen corresponding path program 1 times [2021-10-21 19:13:32,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:32,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155494136] [2021-10-21 19:13:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:32,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 19:13:32,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:32,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155494136] [2021-10-21 19:13:32,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155494136] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:32,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:32,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:32,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543866015] [2021-10-21 19:13:32,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:32,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:32,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:32,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,611 INFO L87 Difference]: Start difference. First operand 424 states and 691 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:32,701 INFO L93 Difference]: Finished difference Result 1181 states and 1941 transitions. [2021-10-21 19:13:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:32,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 58 [2021-10-21 19:13:32,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:32,707 INFO L225 Difference]: With dead ends: 1181 [2021-10-21 19:13:32,707 INFO L226 Difference]: Without dead ends: 787 [2021-10-21 19:13:32,708 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-10-21 19:13:32,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 642. [2021-10-21 19:13:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 640 states have (on average 1.6875) internal successors, (1080), 641 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1080 transitions. [2021-10-21 19:13:32,769 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1080 transitions. Word has length 58 [2021-10-21 19:13:32,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:32,769 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 1080 transitions. [2021-10-21 19:13:32,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1080 transitions. [2021-10-21 19:13:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-21 19:13:32,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:32,777 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:32,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:13:32,777 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:32,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:32,778 INFO L82 PathProgramCache]: Analyzing trace with hash 87613521, now seen corresponding path program 1 times [2021-10-21 19:13:32,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:32,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777239080] [2021-10-21 19:13:32,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:32,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 19:13:32,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:32,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777239080] [2021-10-21 19:13:32,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777239080] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:32,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:32,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:32,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970636272] [2021-10-21 19:13:32,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:32,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:32,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:32,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,831 INFO L87 Difference]: Start difference. First operand 642 states and 1080 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:32,952 INFO L93 Difference]: Finished difference Result 1821 states and 3086 transitions. [2021-10-21 19:13:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:32,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 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 59 [2021-10-21 19:13:32,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:32,960 INFO L225 Difference]: With dead ends: 1821 [2021-10-21 19:13:32,960 INFO L226 Difference]: Without dead ends: 1213 [2021-10-21 19:13:32,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:32,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2021-10-21 19:13:33,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1068. [2021-10-21 19:13:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1066 states have (on average 1.7195121951219512) internal successors, (1833), 1067 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1833 transitions. [2021-10-21 19:13:33,045 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1833 transitions. Word has length 59 [2021-10-21 19:13:33,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:33,046 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1833 transitions. [2021-10-21 19:13:33,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1833 transitions. [2021-10-21 19:13:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-21 19:13:33,049 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:33,049 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:33,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:13:33,049 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:33,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:33,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1318592951, now seen corresponding path program 1 times [2021-10-21 19:13:33,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:33,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286497073] [2021-10-21 19:13:33,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:33,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-21 19:13:33,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:33,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286497073] [2021-10-21 19:13:33,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286497073] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:33,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:33,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:13:33,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223656609] [2021-10-21 19:13:33,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:13:33,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:33,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:13:33,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:33,112 INFO L87 Difference]: Start difference. First operand 1068 states and 1833 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:33,278 INFO L93 Difference]: Finished difference Result 3077 states and 5307 transitions. [2021-10-21 19:13:33,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:13:33,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 60 [2021-10-21 19:13:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:33,291 INFO L225 Difference]: With dead ends: 3077 [2021-10-21 19:13:33,291 INFO L226 Difference]: Without dead ends: 2047 [2021-10-21 19:13:33,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:13:33,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-10-21 19:13:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 1902. [2021-10-21 19:13:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1900 states have (on average 1.731578947368421) internal successors, (3290), 1901 states have internal predecessors, (3290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 3290 transitions. [2021-10-21 19:13:33,438 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 3290 transitions. Word has length 60 [2021-10-21 19:13:33,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:33,439 INFO L470 AbstractCegarLoop]: Abstraction has 1902 states and 3290 transitions. [2021-10-21 19:13:33,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3290 transitions. [2021-10-21 19:13:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-21 19:13:33,443 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:13:33,443 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:13:33,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:13:33,443 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:13:33,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:13:33,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1559369011, now seen corresponding path program 1 times [2021-10-21 19:13:33,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:13:33,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139640382] [2021-10-21 19:13:33,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:13:33,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:13:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:13:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-21 19:13:33,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:13:33,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139640382] [2021-10-21 19:13:33,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139640382] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:13:33,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:13:33,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:13:33,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369641259] [2021-10-21 19:13:33,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:13:33,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:13:33,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:13:33,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:13:33,519 INFO L87 Difference]: Start difference. First operand 1902 states and 3290 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:13:33,709 INFO L93 Difference]: Finished difference Result 1933 states and 3332 transitions. [2021-10-21 19:13:33,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:13:33,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 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 61 [2021-10-21 19:13:33,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:13:33,710 INFO L225 Difference]: With dead ends: 1933 [2021-10-21 19:13:33,710 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:13:33,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:13:33,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:13:33,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:13:33,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:13:33,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-21 19:13:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:13:33,717 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:13:33,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:13:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:13:33,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:13:33,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:13:33,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:13:33,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:13:33,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:13:33,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:33,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:34,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:35,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:36,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:37,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:37,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:37,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:37,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:37,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:13:42,867 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-21 19:13:42,867 INFO L853 garLoopResultBuilder]: At program point L2546(lines 2541 2549) the Hoare annotation is: (and (not (= ~rjh~0 1)) (= ~__ste_client_forwardReceiver1~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,867 INFO L857 garLoopResultBuilder]: For program point L2216(lines 2216 2228) no Hoare annotation was computed. [2021-10-21 19:13:42,867 INFO L853 garLoopResultBuilder]: At program point L168(lines 148 170) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ~__ste_client_forwardReceiver1~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,868 INFO L853 garLoopResultBuilder]: At program point L302(lines 292 390) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,868 INFO L853 garLoopResultBuilder]: At program point L269(lines 259 393) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,868 INFO L853 garLoopResultBuilder]: At program point L2417(lines 2412 2420) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse2 (= 2 ULTIMATE.start_createEmail_~to)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= ~rjh~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse7 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 (= ~__ste_email_to0~0 2) .cse2 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 (not (= |ULTIMATE.start_isReadable_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0)) .cse2 (= ULTIMATE.start_setEmailTo_~handle 1) .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-21 19:13:42,869 INFO L853 garLoopResultBuilder]: At program point L2252(lines 2235 2258) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= |ULTIMATE.start_createEmail_#res| 1) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1) (= ULTIMATE.start_outgoing_~msg 1)) [2021-10-21 19:13:42,870 INFO L857 garLoopResultBuilder]: For program point L2219(lines 2219 2227) no Hoare annotation was computed. [2021-10-21 19:13:42,872 INFO L853 garLoopResultBuilder]: At program point L2252-1(lines 2235 2258) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse2 (= 2 ULTIMATE.start_createEmail_~to)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= ~rjh~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1))) (or (and .cse0 (not (= |ULTIMATE.start_isReadable_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0)) .cse2 (= ULTIMATE.start_setEmailTo_~handle 1) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~__ste_email_to0~0 2) .cse2 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_incoming_~client)))) [2021-10-21 19:13:42,873 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 511) no Hoare annotation was computed. [2021-10-21 19:13:42,873 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2021-10-21 19:13:42,873 INFO L853 garLoopResultBuilder]: At program point L371(lines 361 384) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,873 INFO L857 garLoopResultBuilder]: For program point L503-4(lines 503 511) no Hoare annotation was computed. [2021-10-21 19:13:42,873 INFO L853 garLoopResultBuilder]: At program point L338(lines 328 387) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,874 INFO L857 garLoopResultBuilder]: For program point L2222(lines 2222 2226) no Hoare annotation was computed. [2021-10-21 19:13:42,875 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-21 19:13:42,875 INFO L857 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2021-10-21 19:13:42,876 INFO L853 garLoopResultBuilder]: At program point L2222-2(lines 1 2549) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,876 INFO L853 garLoopResultBuilder]: At program point L2487-1(lines 2482 2490) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse2 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse3 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0))) (.cse4 (= 2 ULTIMATE.start_createEmail_~to)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= ~rjh~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse9 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 .cse2 (= ~__ste_email_to0~0 2) .cse3 .cse4 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle 1) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-21 19:13:42,876 INFO L853 garLoopResultBuilder]: At program point L2487(lines 2482 2490) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= ULTIMATE.start_getEmailTo_~handle 1)) (.cse2 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse3 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse4 (= 2 ULTIMATE.start_createEmail_~to)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= ~rjh~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse9 (= ULTIMATE.start_outgoing_~msg 1))) (or (and (= 2 |ULTIMATE.start_getEmailTo_#res|) .cse0 .cse1 .cse2 .cse3 (= ~__ste_email_to0~0 2) .cse4 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle 1) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-21 19:13:42,877 INFO L860 garLoopResultBuilder]: At program point L2487-3(lines 2482 2490) the Hoare annotation is: true [2021-10-21 19:13:42,878 INFO L853 garLoopResultBuilder]: At program point L2487-2(lines 2482 2490) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (not (= |ULTIMATE.start_isReadable_#res| 0)) (= |ULTIMATE.start_createEmail_#res| 1) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,878 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-21 19:13:42,878 INFO L853 garLoopResultBuilder]: At program point L2322(lines 1 2549) the Hoare annotation is: (and (= 2 |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_getEmailTo_~handle 1) (= |ULTIMATE.start_createEmail_#res| 1) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1) (= ULTIMATE.start_outgoing_~msg 1) (= 2 ULTIMATE.start_incoming_~client)) [2021-10-21 19:13:42,878 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 278) no Hoare annotation was computed. [2021-10-21 19:13:42,880 INFO L853 garLoopResultBuilder]: At program point L208(lines 1183 1200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= ULTIMATE.start_getEmailTo_~handle 1)) (.cse2 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse3 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse4 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0))) (.cse5 (= 2 ULTIMATE.start_createEmail_~to)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= ~rjh~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse10 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_setEmailTo_~handle 1) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= 2 |ULTIMATE.start_getEmailTo_#res|) .cse0 .cse1 .cse2 .cse3 (= ~__ste_email_to0~0 2) .cse4 .cse5 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_incoming_~client)))) [2021-10-21 19:13:42,880 INFO L853 garLoopResultBuilder]: At program point L2322-1(lines 1 2549) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= |ULTIMATE.start_createEmail_#res| 1) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,880 INFO L860 garLoopResultBuilder]: At program point L208-1(lines 1183 1200) the Hoare annotation is: true [2021-10-21 19:13:42,880 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-10-21 19:13:42,881 INFO L853 garLoopResultBuilder]: At program point L506-2(lines 499 514) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1)) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,881 INFO L857 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-10-21 19:13:42,881 INFO L853 garLoopResultBuilder]: At program point L506-5(lines 499 514) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= |ULTIMATE.start_createEmail_#res| 1) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1) (= ULTIMATE.start_outgoing_~msg 1)) [2021-10-21 19:13:42,881 INFO L857 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-10-21 19:13:42,881 INFO L853 garLoopResultBuilder]: At program point L506-8(lines 499 514) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse2 (= 2 ULTIMATE.start_createEmail_~to)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= ~rjh~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1))) (or (and .cse0 (not (= |ULTIMATE.start_isReadable_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0)) .cse2 (= ULTIMATE.start_setEmailTo_~handle 1) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~__ste_email_to0~0 2) .cse2 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse3 .cse4 .cse5 .cse6 (= 2 ULTIMATE.start_incoming_~client)))) [2021-10-21 19:13:42,881 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 548) no Hoare annotation was computed. [2021-10-21 19:13:42,882 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 548) no Hoare annotation was computed. [2021-10-21 19:13:42,882 INFO L857 garLoopResultBuilder]: For program point L540-4(lines 540 548) no Hoare annotation was computed. [2021-10-21 19:13:42,882 INFO L857 garLoopResultBuilder]: For program point L2192(lines 2192 2208) no Hoare annotation was computed. [2021-10-21 19:13:42,882 INFO L857 garLoopResultBuilder]: For program point L2192-1(lines 2192 2208) no Hoare annotation was computed. [2021-10-21 19:13:42,882 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-21 19:13:42,882 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-21 19:13:42,883 INFO L853 garLoopResultBuilder]: At program point L376-1(lines 251 394) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,883 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-10-21 19:13:42,883 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 536 551) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,883 INFO L857 garLoopResultBuilder]: For program point L543-3(lines 543 547) no Hoare annotation was computed. [2021-10-21 19:13:42,883 INFO L853 garLoopResultBuilder]: At program point L543-5(lines 536 551) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= ULTIMATE.start_getEmailTo_~handle 1)) (.cse2 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse3 (= 2 ULTIMATE.start_createEmail_~to)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (= ~rjh~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse8 (= ULTIMATE.start_outgoing_~msg 1))) (or (and (= 2 |ULTIMATE.start_getEmailTo_#res|) .cse0 .cse1 .cse2 (= ~__ste_email_to0~0 2) .cse3 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_setEmailTo_~handle 1) .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-21 19:13:42,884 INFO L857 garLoopResultBuilder]: For program point L543-6(lines 543 547) no Hoare annotation was computed. [2021-10-21 19:13:42,885 INFO L853 garLoopResultBuilder]: At program point L543-8(lines 536 551) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= |ULTIMATE.start_createEmail_#res| 1) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,885 INFO L853 garLoopResultBuilder]: At program point L313(lines 303 389) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,885 INFO L853 garLoopResultBuilder]: At program point L280(lines 270 392) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,885 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 188) no Hoare annotation was computed. [2021-10-21 19:13:42,885 INFO L857 garLoopResultBuilder]: For program point L2196(lines 2196 2207) no Hoare annotation was computed. [2021-10-21 19:13:42,885 INFO L860 garLoopResultBuilder]: At program point L181-1(lines 181 188) the Hoare annotation is: true [2021-10-21 19:13:42,886 INFO L857 garLoopResultBuilder]: For program point L2196-1(lines 2196 2207) no Hoare annotation was computed. [2021-10-21 19:13:42,886 INFO L857 garLoopResultBuilder]: For program point L2263(lines 2263 2275) no Hoare annotation was computed. [2021-10-21 19:13:42,886 INFO L857 garLoopResultBuilder]: For program point L2263-2(lines 2263 2275) no Hoare annotation was computed. [2021-10-21 19:13:42,886 INFO L857 garLoopResultBuilder]: For program point L2263-4(lines 2263 2275) no Hoare annotation was computed. [2021-10-21 19:13:42,887 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 458) no Hoare annotation was computed. [2021-10-21 19:13:42,887 INFO L857 garLoopResultBuilder]: For program point L447-1(lines 447 458) no Hoare annotation was computed. [2021-10-21 19:13:42,887 INFO L853 garLoopResultBuilder]: At program point L349(lines 339 386) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,887 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:13:42,888 INFO L857 garLoopResultBuilder]: For program point L2266(lines 2266 2274) no Hoare annotation was computed. [2021-10-21 19:13:42,888 INFO L857 garLoopResultBuilder]: For program point L2266-2(lines 2266 2274) no Hoare annotation was computed. [2021-10-21 19:13:42,888 INFO L857 garLoopResultBuilder]: For program point L2200(lines 2200 2206) no Hoare annotation was computed. [2021-10-21 19:13:42,888 INFO L857 garLoopResultBuilder]: For program point L2266-4(lines 2266 2274) no Hoare annotation was computed. [2021-10-21 19:13:42,888 INFO L857 garLoopResultBuilder]: For program point L2200-1(lines 2200 2206) no Hoare annotation was computed. [2021-10-21 19:13:42,889 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 325) no Hoare annotation was computed. [2021-10-21 19:13:42,889 INFO L853 garLoopResultBuilder]: At program point L2399(lines 2394 2402) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse2 (= 2 ULTIMATE.start_createEmail_~to)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= ~rjh~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse7 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 (= ~__ste_email_to0~0 2) .cse2 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 (not (= |ULTIMATE.start_isReadable_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0)) .cse2 (= ULTIMATE.start_setEmailTo_~handle 1) .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-21 19:13:42,889 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-10-21 19:13:42,889 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 394) no Hoare annotation was computed. [2021-10-21 19:13:42,889 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 495) no Hoare annotation was computed. [2021-10-21 19:13:42,889 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 457) no Hoare annotation was computed. [2021-10-21 19:13:42,890 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 484 495) no Hoare annotation was computed. [2021-10-21 19:13:42,890 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2021-10-21 19:13:42,890 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-21 19:13:42,890 INFO L857 garLoopResultBuilder]: For program point L2269(lines 2269 2273) no Hoare annotation was computed. [2021-10-21 19:13:42,890 INFO L857 garLoopResultBuilder]: For program point L2269-3(lines 2269 2273) no Hoare annotation was computed. [2021-10-21 19:13:42,890 INFO L853 garLoopResultBuilder]: At program point L2269-2(lines 1 2549) the Hoare annotation is: (and (not (= ~rjh~0 1)) (= ~__ste_client_forwardReceiver1~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,891 INFO L853 garLoopResultBuilder]: At program point L2269-5(lines 1 2549) the Hoare annotation is: (and (= ~__ste_client_forwardReceiver1~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1)) (= ULTIMATE.start_setClientId_~handle 2)) [2021-10-21 19:13:42,891 INFO L857 garLoopResultBuilder]: For program point L2269-6(lines 2269 2273) no Hoare annotation was computed. [2021-10-21 19:13:42,892 INFO L853 garLoopResultBuilder]: At program point L2269-8(lines 1 2549) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ~__ste_client_forwardReceiver1~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,892 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 358) no Hoare annotation was computed. [2021-10-21 19:13:42,892 INFO L860 garLoopResultBuilder]: At program point L189(lines 171 191) the Hoare annotation is: true [2021-10-21 19:13:42,892 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:13:42,892 INFO L853 garLoopResultBuilder]: At program point L2205-1(lines 2188 2211) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (not (= ~rjh~0 1))) (.cse2 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse3 (not (= ULTIMATE.start_createEmail_~to 1))) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_getClientForwardReceiver_#res| 0)) (and .cse0 .cse1 .cse2 (= 2 ULTIMATE.start_createEmail_~to) .cse3 .cse4 (= ~rjh~0 2) .cse5 .cse6))) [2021-10-21 19:13:42,892 INFO L853 garLoopResultBuilder]: At program point L2205(lines 2188 2211) the Hoare annotation is: (and (= 2 |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_getEmailTo_~handle 1) (= |ULTIMATE.start_createEmail_#res| 1) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1) (= ULTIMATE.start_outgoing_~msg 1) (= 2 ULTIMATE.start_incoming_~client)) [2021-10-21 19:13:42,893 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 532) no Hoare annotation was computed. [2021-10-21 19:13:42,893 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2021-10-21 19:13:42,893 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 521 532) no Hoare annotation was computed. [2021-10-21 19:13:42,894 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 532) no Hoare annotation was computed. [2021-10-21 19:13:42,894 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2021-10-21 19:13:42,895 INFO L857 garLoopResultBuilder]: For program point L521-3(lines 521 532) no Hoare annotation was computed. [2021-10-21 19:13:42,895 INFO L857 garLoopResultBuilder]: For program point L2239-1(lines 2239 2255) no Hoare annotation was computed. [2021-10-21 19:13:42,895 INFO L857 garLoopResultBuilder]: For program point L2239(lines 2239 2255) no Hoare annotation was computed. [2021-10-21 19:13:42,895 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 133) no Hoare annotation was computed. [2021-10-21 19:13:42,895 INFO L853 garLoopResultBuilder]: At program point L456(lines 443 461) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= ULTIMATE.start_getEmailTo_~handle 1)) (.cse2 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse3 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse4 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0))) (.cse5 (= 2 ULTIMATE.start_createEmail_~to)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= ~rjh~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse10 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_setEmailTo_~handle 1) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= 2 |ULTIMATE.start_getEmailTo_#res|) .cse0 .cse1 .cse2 .cse3 (= ~__ste_email_to0~0 2) .cse4 .cse5 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_incoming_~client)))) [2021-10-21 19:13:42,895 INFO L860 garLoopResultBuilder]: At program point L456-1(lines 443 461) the Hoare annotation is: true [2021-10-21 19:13:42,896 INFO L853 garLoopResultBuilder]: At program point L291(lines 281 391) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,896 INFO L853 garLoopResultBuilder]: At program point L2538(lines 1 2549) the Hoare annotation is: (and (not (= ~rjh~0 1)) (= ~__ste_client_forwardReceiver1~0 0) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,896 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 393) no Hoare annotation was computed. [2021-10-21 19:13:42,896 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:13:42,897 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 531) no Hoare annotation was computed. [2021-10-21 19:13:42,897 INFO L857 garLoopResultBuilder]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2021-10-21 19:13:42,897 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 531) no Hoare annotation was computed. [2021-10-21 19:13:42,897 INFO L857 garLoopResultBuilder]: For program point L525-3(lines 525 531) no Hoare annotation was computed. [2021-10-21 19:13:42,897 INFO L853 garLoopResultBuilder]: At program point L2408(lines 2403 2411) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse2 (= 2 ULTIMATE.start_createEmail_~to)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= ~rjh~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse7 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 (= ~__ste_email_to0~0 2) .cse2 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 (not (= |ULTIMATE.start_isReadable_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0)) .cse2 (= ULTIMATE.start_setEmailTo_~handle 1) .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-21 19:13:42,897 INFO L853 garLoopResultBuilder]: At program point L360(lines 350 385) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,898 INFO L853 garLoopResultBuilder]: At program point L327(lines 314 388) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,898 INFO L857 garLoopResultBuilder]: For program point L2243-1(lines 2243 2254) no Hoare annotation was computed. [2021-10-21 19:13:42,898 INFO L857 garLoopResultBuilder]: For program point L2243(lines 2243 2254) no Hoare annotation was computed. [2021-10-21 19:13:42,898 INFO L853 garLoopResultBuilder]: At program point L493(lines 480 498) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= ULTIMATE.start_getEmailTo_~handle 1)) (.cse2 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse3 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse4 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0))) (.cse5 (= 2 ULTIMATE.start_createEmail_~to)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (= ~rjh~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse10 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_setEmailTo_~handle 1) .cse6 .cse7 .cse8 .cse9 .cse10) (and (= 2 |ULTIMATE.start_getEmailTo_#res|) .cse0 .cse1 .cse2 .cse3 (= ~__ste_email_to0~0 2) .cse4 .cse5 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_incoming_~client)))) [2021-10-21 19:13:42,898 INFO L860 garLoopResultBuilder]: At program point L493-1(lines 480 498) the Hoare annotation is: true [2021-10-21 19:13:42,898 INFO L853 garLoopResultBuilder]: At program point L395(lines 250 396) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ~__ste_email_to0~0 1))) [2021-10-21 19:13:42,899 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-10-21 19:13:42,899 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-10-21 19:13:42,899 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:13:42,899 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed. [2021-10-21 19:13:42,899 INFO L853 garLoopResultBuilder]: At program point L2345-1(lines 1 2549) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse2 (= 2 ULTIMATE.start_createEmail_~to)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= ~rjh~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse7 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 (= ~__ste_email_to0~0 2) .cse2 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse3 .cse4 .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 (not (= |ULTIMATE.start_isReadable_#res| 0)) .cse1 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0)) .cse2 (= ULTIMATE.start_setEmailTo_~handle 1) .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-21 19:13:42,900 INFO L857 garLoopResultBuilder]: For program point L2345(lines 2345 2352) no Hoare annotation was computed. [2021-10-21 19:13:42,900 INFO L857 garLoopResultBuilder]: For program point L2345-2(lines 2345 2352) no Hoare annotation was computed. [2021-10-21 19:13:42,900 INFO L853 garLoopResultBuilder]: At program point L2511(lines 2500 2514) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= |ULTIMATE.start_createEmail_#res| 1) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,900 INFO L857 garLoopResultBuilder]: For program point L2247-1(lines 2247 2253) no Hoare annotation was computed. [2021-10-21 19:13:42,901 INFO L857 garLoopResultBuilder]: For program point L2247(lines 2247 2253) no Hoare annotation was computed. [2021-10-21 19:13:42,901 INFO L853 garLoopResultBuilder]: At program point L530(lines 517 535) the Hoare annotation is: (and (= 2 |ULTIMATE.start_getEmailTo_#res|) (= ULTIMATE.start_setClientId_~handle 3) (= ULTIMATE.start_getEmailTo_~handle 1) (= |ULTIMATE.start_createEmail_#res| 1) (= ~__ste_email_to0~0 2) (= ULTIMATE.start_setEmailTo_~value 2) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_setEmailTo_~handle 1) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1) (= ULTIMATE.start_outgoing_~msg 1)) [2021-10-21 19:13:42,901 INFO L853 garLoopResultBuilder]: At program point L530-1(lines 517 535) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse2 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse3 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0))) (.cse4 (= 2 ULTIMATE.start_createEmail_~to)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= ~rjh~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse9 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 .cse2 (= ~__ste_email_to0~0 2) .cse3 .cse4 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle 1) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-21 19:13:42,901 INFO L853 garLoopResultBuilder]: At program point L530-2(lines 517 535) the Hoare annotation is: (and (= ULTIMATE.start_setClientId_~handle 3) (= |ULTIMATE.start_createEmail_#res| 1) (= 2 ULTIMATE.start_createEmail_~to) (= ULTIMATE.start_main_~tmp~1 1) (= ~rjh~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_createEmail_~msg~0 1)) [2021-10-21 19:13:42,901 INFO L860 garLoopResultBuilder]: At program point L530-3(lines 517 535) the Hoare annotation is: true [2021-10-21 19:13:42,902 INFO L860 garLoopResultBuilder]: At program point L2479-1(lines 2454 2481) the Hoare annotation is: true [2021-10-21 19:13:42,902 INFO L853 garLoopResultBuilder]: At program point L2479(lines 2454 2481) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_setClientId_~handle 3)) (.cse1 (not (= |ULTIMATE.start_isReadable_#res| 0))) (.cse2 (= |ULTIMATE.start_createEmail_#res| 1)) (.cse3 (not (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 0))) (.cse4 (= 2 ULTIMATE.start_createEmail_~to)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= ~rjh~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_createEmail_~msg~0 1)) (.cse9 (= ULTIMATE.start_outgoing_~msg 1))) (or (and .cse0 .cse1 .cse2 (= ~__ste_email_to0~0 2) .cse3 .cse4 (= 2 ULTIMATE.start_getClientForwardReceiver_~handle) .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_incoming_~client)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_setEmailTo_~handle 1) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-21 19:13:42,902 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-10-21 19:13:42,902 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 336) no Hoare annotation was computed. [2021-10-21 19:13:42,902 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1197) no Hoare annotation was computed. [2021-10-21 19:13:42,902 INFO L857 garLoopResultBuilder]: For program point L1191-2(lines 1191 1197) no Hoare annotation was computed. [2021-10-21 19:13:42,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:13:42,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:13:42 BoogieIcfgContainer [2021-10-21 19:13:42,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:13:42,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:13:42,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:13:42,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:13:42,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:13:27" (3/4) ... [2021-10-21 19:13:42,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:13:43,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-10-21 19:13:43,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-10-21 19:13:43,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:13:43,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:13:43,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:13:43,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:13:43,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(rjh == 1) && __ste_client_forwardReceiver1 == 0) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(rjh == 1) && __ste_client_forwardReceiver1 == 0) && tmp == 1) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((__ste_client_forwardReceiver1 == 0 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1)) && handle == 2 [2021-10-21 19:13:43,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((handle == 3 && __ste_client_forwardReceiver1 == 0) && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((handle == 3 && __ste_client_forwardReceiver1 == 0) && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) [2021-10-21 19:13:43,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((handle == 3 && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1)) && msg == 1 [2021-10-21 19:13:43,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((handle == 3 && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 [2021-10-21 19:13:43,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 [2021-10-21 19:13:43,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1 [2021-10-21 19:13:43,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1 [2021-10-21 19:13:43,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1 [2021-10-21 19:13:43,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client [2021-10-21 19:13:43,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client [2021-10-21 19:13:43,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || (((((((((handle == 3 && handle == 1) && \result == 1) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) || ((((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) [2021-10-21 19:13:43,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) || (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && 2 == client) [2021-10-21 19:13:43,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) || ((((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) [2021-10-21 19:13:43,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) || (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && 2 == client) [2021-10-21 19:13:43,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) || ((((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) [2021-10-21 19:13:43,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((handle == 3 && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 [2021-10-21 19:13:43,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((handle == 3 && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((handle == 3 && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 [2021-10-21 19:13:43,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((handle == 3 && !(rjh == 1)) && \result == 1) && !(to == 1)) && tmp == 1) && \result == 1) && msg == 1) && \result == 0) || ((((((((handle == 3 && !(rjh == 1)) && \result == 1) && 2 == to) && !(to == 1)) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) [2021-10-21 19:13:43,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((handle == 3 && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((handle == 3 && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) [2021-10-21 19:13:43,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((handle == 3 && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 [2021-10-21 19:13:43,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((handle == 3 && !(\result == 0)) && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 [2021-10-21 19:13:43,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:13:43,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:13:43,158 INFO L168 Benchmark]: Toolchain (without parser) took 17710.47 ms. Allocated memory was 94.4 MB in the beginning and 314.6 MB in the end (delta: 220.2 MB). Free memory was 56.8 MB in the beginning and 274.6 MB in the end (delta: -217.8 MB). Peak memory consumption was 183.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,158 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:13:43,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.68 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.6 MB in the beginning and 63.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.57 ms. Allocated memory is still 113.2 MB. Free memory was 63.4 MB in the beginning and 58.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,160 INFO L168 Benchmark]: Boogie Preprocessor took 53.62 ms. Allocated memory is still 113.2 MB. Free memory was 58.2 MB in the beginning and 55.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,160 INFO L168 Benchmark]: RCFGBuilder took 1157.65 ms. Allocated memory is still 113.2 MB. Free memory was 55.1 MB in the beginning and 82.9 MB in the end (delta: -27.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,161 INFO L168 Benchmark]: TraceAbstraction took 15397.38 ms. Allocated memory was 113.2 MB in the beginning and 314.6 MB in the end (delta: 201.3 MB). Free memory was 82.1 MB in the beginning and 104.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 193.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,161 INFO L168 Benchmark]: Witness Printer took 179.35 ms. Allocated memory is still 314.6 MB. Free memory was 104.7 MB in the beginning and 274.6 MB in the end (delta: -170.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:13:43,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 64.8 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 817.68 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.6 MB in the beginning and 63.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.57 ms. Allocated memory is still 113.2 MB. Free memory was 63.4 MB in the beginning and 58.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.62 ms. Allocated memory is still 113.2 MB. Free memory was 58.2 MB in the beginning and 55.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1157.65 ms. Allocated memory is still 113.2 MB. Free memory was 55.1 MB in the beginning and 82.9 MB in the end (delta: -27.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15397.38 ms. Allocated memory was 113.2 MB in the beginning and 314.6 MB in the end (delta: 201.3 MB). Free memory was 82.1 MB in the beginning and 104.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 193.0 MB. Max. memory is 16.1 GB. * Witness Printer took 179.35 ms. Allocated memory is still 314.6 MB. Free memory was 104.7 MB in the beginning and 274.6 MB in the end (delta: -170.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 207]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 207]: 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, 134 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 15274.3ms, OverallIterations: 17, TraceHistogramMax: 3, EmptinessCheckTime: 47.0ms, AutomataDifference: 2633.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9146.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3584 SDtfs, 5529 SDslu, 5942 SDs, 0 SdLazy, 519 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 619.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 708.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1902occurred in iteration=16, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 723.6ms AutomataMinimizationTime, 17 MinimizatonAttempts, 1787 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 936 NumberOfFragments, 1830 HoareAnnotationTreeSize, 54 FomulaSimplifications, 23999192 FormulaSimplificationTreeSizeReduction, 3499.2ms HoareSimplificationTime, 54 FomulaSimplificationsInter, 732586 FormulaSimplificationTreeSizeReductionInter, 5622.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 210.0ms SsaConstructionTime, 622.1ms SatisfiabilityAnalysisTime, 1220.6ms InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 1328 SizeOfPredicates, 0 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 98/102 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 2 specifications checked. All of them hold - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((__ste_client_forwardReceiver1 == 0 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1)) && handle == 2 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((handle == 3 && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((handle == 3 && __ste_client_forwardReceiver1 == 0) && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((((((((handle == 3 && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1 - InvariantResult [Line: 2412]: Loop Invariant Derived loop invariant: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || (((((((((handle == 3 && handle == 1) && \result == 1) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) || ((((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 2188]: Loop Invariant Derived loop invariant: (((((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: ((((((((((((handle == 3 && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 2454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((handle == 3 && __ste_client_forwardReceiver1 == 0) && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 2188]: Loop Invariant Derived loop invariant: (((((((handle == 3 && !(rjh == 1)) && \result == 1) && !(to == 1)) && tmp == 1) && \result == 1) && msg == 1) && \result == 0) || ((((((((handle == 3 && !(rjh == 1)) && \result == 1) && 2 == to) && !(to == 1)) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client - InvariantResult [Line: 2454]: Loop Invariant Derived loop invariant: ((((((((((((handle == 3 && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: ((!(rjh == 1) && __ste_client_forwardReceiver1 == 0) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 2500]: Loop Invariant Derived loop invariant: ((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 - InvariantResult [Line: 1183]: Loop Invariant Derived loop invariant: (((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) || ((((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: (((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((((handle == 3 && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1)) && msg == 1 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((((((((handle == 3 && handle == 1) && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) || ((((((((((((((2 == \result && handle == 3) && handle == 1) && !(\result == 0)) && \result == 1) && __ste_email_to0 == 2) && !(tmp == 0)) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((((((((2 == \result && handle == 3) && handle == 1) && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1 - InvariantResult [Line: 2403]: Loop Invariant Derived loop invariant: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: ((((((handle == 3 && !(\result == 0)) && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((handle == 3 && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) || (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && 2 == client) - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(rjh == 1) && __ste_client_forwardReceiver1 == 0) && tmp == 1) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 1183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 2235]: Loop Invariant Derived loop invariant: (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(rjh == 1) && __ste_client_forwardReceiver1 == 0) && !(__ste_email_to0 == 1) - InvariantResult [Line: 2394]: Loop Invariant Derived loop invariant: ((((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) && 2 == client) || ((((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && msg == 1) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((handle == 3 && __ste_email_to0 == 2) && value == 2) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((handle == 3 && \result == 1) && 2 == to) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 2235]: Loop Invariant Derived loop invariant: (((((((((handle == 3 && !(\result == 0)) && \result == 1) && !(tmp == 0)) && 2 == to) && handle == 1) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) || (((((((((handle == 3 && \result == 1) && __ste_email_to0 == 2) && 2 == to) && 2 == handle) && tmp == 1) && rjh == 2) && \result == 1) && msg == 1) && 2 == client) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((handle == 3 && tmp == 1) && rjh == 2) && \result == 1) && !(__ste_email_to0 == 1) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:13:43,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81500ca4-5e18-4d75-86fa-db1833227acf/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...