./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd6854ce29c7bf580cd3e782b287f65f1203c66552ea1ec9f0128f94f0f3ec92 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:20:04,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:20:04,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:20:04,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:20:04,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:20:04,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:20:04,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:20:04,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:20:04,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:20:04,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:20:04,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:20:04,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:20:04,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:20:04,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:20:04,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:20:04,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:20:04,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:20:04,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:20:04,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:20:04,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:20:04,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:20:04,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:20:04,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:20:04,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:20:04,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:20:04,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:20:04,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:20:04,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:20:04,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:20:04,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:20:04,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:20:04,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:20:04,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:20:04,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:20:04,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:20:04,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:20:04,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:20:04,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:20:04,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:20:04,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:20:04,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:20:04,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 18:20:04,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:20:04,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:20:04,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:20:04,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:20:04,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:20:04,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:20:04,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:20:04,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:20:04,288 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:20:04,289 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:20:04,290 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:20:04,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:20:04,291 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:20:04,291 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:20:04,291 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:20:04,292 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:20:04,292 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:20:04,292 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:20:04,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:20:04,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:20:04,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:20:04,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:20:04,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:20:04,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:20:04,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:20:04,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:20:04,295 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:20:04,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:20:04,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:20:04,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:20:04,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:20:04,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:20:04,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:04,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:20:04,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:20:04,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:20:04,298 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:20:04,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:20:04,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:20:04,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:20:04,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:20:04,299 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd6854ce29c7bf580cd3e782b287f65f1203c66552ea1ec9f0128f94f0f3ec92 [2021-11-25 18:20:04,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:20:04,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:20:04,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:20:04,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:20:04,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:20:04,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2021-11-25 18:20:04,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/data/9ef9b171d/9894c1fd028f4f6089b4f499fe84f628/FLAG793d3a287 [2021-11-25 18:20:05,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:20:05,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c [2021-11-25 18:20:05,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/data/9ef9b171d/9894c1fd028f4f6089b4f499fe84f628/FLAG793d3a287 [2021-11-25 18:20:05,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/data/9ef9b171d/9894c1fd028f4f6089b4f499fe84f628 [2021-11-25 18:20:05,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:20:05,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:20:05,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:05,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:20:05,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:20:05,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:05" (1/1) ... [2021-11-25 18:20:05,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf82ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:05, skipping insertion in model container [2021-11-25 18:20:05,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:05" (1/1) ... [2021-11-25 18:20:05,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:20:05,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:20:05,967 WARN L230 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_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c[37413,37426] [2021-11-25 18:20:05,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:05,983 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:20:06,039 WARN L230 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_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-1.c[37413,37426] [2021-11-25 18:20:06,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:20:06,057 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:20:06,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06 WrapperNode [2021-11-25 18:20:06,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:20:06,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:06,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:20:06,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:20:06,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,114 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 475 [2021-11-25 18:20:06,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:20:06,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:20:06,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:20:06,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:20:06,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:20:06,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:20:06,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:20:06,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:20:06,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (1/1) ... [2021-11-25 18:20:06,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:20:06,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:06,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:20:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:20:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:20:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:20:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:20:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:20:06,403 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:20:06,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:20:06,448 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 18:20:06,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-25 18:20:06,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-25 18:20:06,919 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:20:07,115 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:20:07,115 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:20:07,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:07 BoogieIcfgContainer [2021-11-25 18:20:07,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:20:07,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:20:07,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:20:07,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:20:07,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:20:05" (1/3) ... [2021-11-25 18:20:07,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7651b293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:07, skipping insertion in model container [2021-11-25 18:20:07,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:06" (2/3) ... [2021-11-25 18:20:07,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7651b293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:20:07, skipping insertion in model container [2021-11-25 18:20:07,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:07" (3/3) ... [2021-11-25 18:20:07,131 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-1.c [2021-11-25 18:20:07,137 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:20:07,138 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:20:07,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:20:07,219 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=FINITE_AUTOMATA, 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 [2021-11-25 18:20:07,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:20:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 18:20:07,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:07,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:07,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:07,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1079361268, now seen corresponding path program 1 times [2021-11-25 18:20:07,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:07,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581345785] [2021-11-25 18:20:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:07,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:07,591 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:07,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581345785] [2021-11-25 18:20:07,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581345785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:07,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:07,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:07,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268157337] [2021-11-25 18:20:07,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:07,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:07,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:07,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:07,640 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 83 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:07,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:07,853 INFO L93 Difference]: Finished difference Result 196 states and 338 transitions. [2021-11-25 18:20:07,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:07,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-11-25 18:20:07,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:07,893 INFO L225 Difference]: With dead ends: 196 [2021-11-25 18:20:07,893 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 18:20:07,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:07,902 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 109 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:07,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 79 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:20:07,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 18:20:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102. [2021-11-25 18:20:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 101 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2021-11-25 18:20:07,981 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 19 [2021-11-25 18:20:07,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:07,982 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2021-11-25 18:20:07,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2021-11-25 18:20:07,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 18:20:07,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:07,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:07,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:20:07,985 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:07,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash 894912901, now seen corresponding path program 1 times [2021-11-25 18:20:07,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:07,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198240198] [2021-11-25 18:20:07,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:07,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:08,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:08,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198240198] [2021-11-25 18:20:08,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198240198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:08,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:08,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:08,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984424265] [2021-11-25 18:20:08,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:08,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:08,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:08,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:08,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:08,105 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:08,345 INFO L93 Difference]: Finished difference Result 230 states and 354 transitions. [2021-11-25 18:20:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:08,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2021-11-25 18:20:08,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:08,348 INFO L225 Difference]: With dead ends: 230 [2021-11-25 18:20:08,349 INFO L226 Difference]: Without dead ends: 129 [2021-11-25 18:20:08,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:08,351 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 85 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:08,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 53 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:20:08,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-25 18:20:08,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 124. [2021-11-25 18:20:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 123 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 194 transitions. [2021-11-25 18:20:08,381 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 194 transitions. Word has length 20 [2021-11-25 18:20:08,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:08,381 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 194 transitions. [2021-11-25 18:20:08,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2021-11-25 18:20:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 18:20:08,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:08,384 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:08,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:20:08,394 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:08,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1901329050, now seen corresponding path program 1 times [2021-11-25 18:20:08,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:08,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217145272] [2021-11-25 18:20:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:08,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:08,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:08,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217145272] [2021-11-25 18:20:08,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217145272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:08,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:08,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:08,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604406183] [2021-11-25 18:20:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:08,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:08,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:08,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:08,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:08,526 INFO L87 Difference]: Start difference. First operand 124 states and 194 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:08,697 INFO L93 Difference]: Finished difference Result 268 states and 423 transitions. [2021-11-25 18:20:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:08,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2021-11-25 18:20:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:08,700 INFO L225 Difference]: With dead ends: 268 [2021-11-25 18:20:08,700 INFO L226 Difference]: Without dead ends: 145 [2021-11-25 18:20:08,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:08,705 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 88 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:08,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 49 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:20:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-25 18:20:08,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-11-25 18:20:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.591549295774648) internal successors, (226), 142 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 226 transitions. [2021-11-25 18:20:08,740 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 226 transitions. Word has length 37 [2021-11-25 18:20:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:08,740 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 226 transitions. [2021-11-25 18:20:08,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2021-11-25 18:20:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 18:20:08,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:08,746 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:08,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:20:08,747 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:08,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:08,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1209703999, now seen corresponding path program 1 times [2021-11-25 18:20:08,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:08,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434934680] [2021-11-25 18:20:08,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:08,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:08,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:08,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:08,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434934680] [2021-11-25 18:20:08,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434934680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:08,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:08,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:08,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144980157] [2021-11-25 18:20:08,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:08,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:08,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:08,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:08,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:08,877 INFO L87 Difference]: Start difference. First operand 143 states and 226 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 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) [2021-11-25 18:20:09,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:09,058 INFO L93 Difference]: Finished difference Result 287 states and 453 transitions. [2021-11-25 18:20:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:09,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 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 [2021-11-25 18:20:09,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:09,062 INFO L225 Difference]: With dead ends: 287 [2021-11-25 18:20:09,063 INFO L226 Difference]: Without dead ends: 145 [2021-11-25 18:20:09,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:09,078 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 87 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:09,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 49 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:20:09,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-11-25 18:20:09,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-11-25 18:20:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.5774647887323943) internal successors, (224), 142 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 224 transitions. [2021-11-25 18:20:09,130 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 224 transitions. Word has length 38 [2021-11-25 18:20:09,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:09,131 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 224 transitions. [2021-11-25 18:20:09,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 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) [2021-11-25 18:20:09,132 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 224 transitions. [2021-11-25 18:20:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:20:09,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:09,140 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:09,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:20:09,141 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:09,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:09,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2016074604, now seen corresponding path program 1 times [2021-11-25 18:20:09,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:09,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736254717] [2021-11-25 18:20:09,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:09,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:20:09,234 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:09,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736254717] [2021-11-25 18:20:09,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736254717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:09,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:09,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:09,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342872394] [2021-11-25 18:20:09,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:09,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:09,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:09,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:09,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:09,237 INFO L87 Difference]: Start difference. First operand 143 states and 224 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 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) [2021-11-25 18:20:09,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:09,384 INFO L93 Difference]: Finished difference Result 305 states and 481 transitions. [2021-11-25 18:20:09,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:09,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 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 52 [2021-11-25 18:20:09,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:09,387 INFO L225 Difference]: With dead ends: 305 [2021-11-25 18:20:09,388 INFO L226 Difference]: Without dead ends: 163 [2021-11-25 18:20:09,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:09,400 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 90 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:09,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 51 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:09,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-25 18:20:09,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2021-11-25 18:20:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.578616352201258) internal successors, (251), 159 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 251 transitions. [2021-11-25 18:20:09,429 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 251 transitions. Word has length 52 [2021-11-25 18:20:09,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:09,429 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 251 transitions. [2021-11-25 18:20:09,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 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) [2021-11-25 18:20:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 251 transitions. [2021-11-25 18:20:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 18:20:09,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:09,442 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:09,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:20:09,442 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:09,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 879629819, now seen corresponding path program 1 times [2021-11-25 18:20:09,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:09,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997600022] [2021-11-25 18:20:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:09,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:09,528 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:20:09,528 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:09,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997600022] [2021-11-25 18:20:09,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997600022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:09,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:09,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:09,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887216751] [2021-11-25 18:20:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:09,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:09,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:09,531 INFO L87 Difference]: Start difference. First operand 160 states and 251 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:09,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:09,685 INFO L93 Difference]: Finished difference Result 322 states and 505 transitions. [2021-11-25 18:20:09,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:09,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-25 18:20:09,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:09,688 INFO L225 Difference]: With dead ends: 322 [2021-11-25 18:20:09,688 INFO L226 Difference]: Without dead ends: 163 [2021-11-25 18:20:09,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:09,690 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 89 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:09,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 51 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-11-25 18:20:09,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2021-11-25 18:20:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.559748427672956) internal successors, (248), 159 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 248 transitions. [2021-11-25 18:20:09,719 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 248 transitions. Word has length 53 [2021-11-25 18:20:09,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:09,722 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 248 transitions. [2021-11-25 18:20:09,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2021-11-25 18:20:09,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 18:20:09,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:09,725 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:09,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:20:09,725 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:09,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2020368932, now seen corresponding path program 1 times [2021-11-25 18:20:09,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:09,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586513600] [2021-11-25 18:20:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:09,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:09,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:09,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586513600] [2021-11-25 18:20:09,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586513600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:09,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:09,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:09,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447286984] [2021-11-25 18:20:09,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:09,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:09,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:09,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:09,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:09,844 INFO L87 Difference]: Start difference. First operand 160 states and 248 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 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) [2021-11-25 18:20:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:10,064 INFO L93 Difference]: Finished difference Result 358 states and 562 transitions. [2021-11-25 18:20:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:10,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 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 56 [2021-11-25 18:20:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:10,068 INFO L225 Difference]: With dead ends: 358 [2021-11-25 18:20:10,068 INFO L226 Difference]: Without dead ends: 198 [2021-11-25 18:20:10,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,070 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 62 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:10,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 55 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:20:10,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-25 18:20:10,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-25 18:20:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.5888324873096447) internal successors, (313), 197 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 313 transitions. [2021-11-25 18:20:10,085 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 313 transitions. Word has length 56 [2021-11-25 18:20:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:10,085 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 313 transitions. [2021-11-25 18:20:10,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 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) [2021-11-25 18:20:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 313 transitions. [2021-11-25 18:20:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 18:20:10,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:10,087 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:10,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:20:10,088 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:10,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 118641364, now seen corresponding path program 1 times [2021-11-25 18:20:10,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:10,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199920568] [2021-11-25 18:20:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:10,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-25 18:20:10,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:10,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199920568] [2021-11-25 18:20:10,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199920568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:10,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:10,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:10,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013992666] [2021-11-25 18:20:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:10,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:10,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:10,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:10,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,178 INFO L87 Difference]: Start difference. First operand 198 states and 313 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:10,298 INFO L93 Difference]: Finished difference Result 412 states and 653 transitions. [2021-11-25 18:20:10,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:10,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-25 18:20:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:10,304 INFO L225 Difference]: With dead ends: 412 [2021-11-25 18:20:10,304 INFO L226 Difference]: Without dead ends: 215 [2021-11-25 18:20:10,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,306 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 92 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:10,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 49 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:10,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-25 18:20:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-25 18:20:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.5754716981132075) internal successors, (334), 212 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 334 transitions. [2021-11-25 18:20:10,324 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 334 transitions. Word has length 65 [2021-11-25 18:20:10,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:10,325 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 334 transitions. [2021-11-25 18:20:10,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 334 transitions. [2021-11-25 18:20:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 18:20:10,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:10,327 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:10,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:20:10,328 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:10,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:10,329 INFO L85 PathProgramCache]: Analyzing trace with hash -346686099, now seen corresponding path program 1 times [2021-11-25 18:20:10,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:10,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724059914] [2021-11-25 18:20:10,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:10,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-25 18:20:10,426 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:10,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724059914] [2021-11-25 18:20:10,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724059914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:10,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:10,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:10,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198102441] [2021-11-25 18:20:10,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:10,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:10,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:10,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,431 INFO L87 Difference]: Start difference. First operand 213 states and 334 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:10,551 INFO L93 Difference]: Finished difference Result 427 states and 669 transitions. [2021-11-25 18:20:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:10,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 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 66 [2021-11-25 18:20:10,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:10,554 INFO L225 Difference]: With dead ends: 427 [2021-11-25 18:20:10,555 INFO L226 Difference]: Without dead ends: 215 [2021-11-25 18:20:10,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,559 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:10,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 49 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-25 18:20:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-25 18:20:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.5518867924528301) internal successors, (329), 212 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 329 transitions. [2021-11-25 18:20:10,572 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 329 transitions. Word has length 66 [2021-11-25 18:20:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:10,572 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 329 transitions. [2021-11-25 18:20:10,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 329 transitions. [2021-11-25 18:20:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 18:20:10,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:10,574 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:10,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:20:10,579 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:10,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:10,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1344513448, now seen corresponding path program 1 times [2021-11-25 18:20:10,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:10,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273125157] [2021-11-25 18:20:10,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:10,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-25 18:20:10,644 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:10,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273125157] [2021-11-25 18:20:10,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273125157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:10,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:10,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:10,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924922560] [2021-11-25 18:20:10,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:10,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:10,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:10,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:10,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,647 INFO L87 Difference]: Start difference. First operand 213 states and 329 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:10,766 INFO L93 Difference]: Finished difference Result 440 states and 681 transitions. [2021-11-25 18:20:10,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:10,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 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 76 [2021-11-25 18:20:10,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:10,771 INFO L225 Difference]: With dead ends: 440 [2021-11-25 18:20:10,772 INFO L226 Difference]: Without dead ends: 228 [2021-11-25 18:20:10,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,773 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 94 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:10,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 57 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:10,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-25 18:20:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2021-11-25 18:20:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.5333333333333334) internal successors, (345), 225 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 345 transitions. [2021-11-25 18:20:10,789 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 345 transitions. Word has length 76 [2021-11-25 18:20:10,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:10,790 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 345 transitions. [2021-11-25 18:20:10,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 345 transitions. [2021-11-25 18:20:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:20:10,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:10,795 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:10,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:20:10,795 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:10,796 INFO L85 PathProgramCache]: Analyzing trace with hash -876024449, now seen corresponding path program 1 times [2021-11-25 18:20:10,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:10,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479773632] [2021-11-25 18:20:10,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:10,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-25 18:20:10,862 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:10,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479773632] [2021-11-25 18:20:10,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479773632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:10,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:10,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:20:10,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672340188] [2021-11-25 18:20:10,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:10,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:10,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:10,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:10,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,866 INFO L87 Difference]: Start difference. First operand 226 states and 345 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:10,979 INFO L93 Difference]: Finished difference Result 453 states and 691 transitions. [2021-11-25 18:20:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:10,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 77 [2021-11-25 18:20:10,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:10,982 INFO L225 Difference]: With dead ends: 453 [2021-11-25 18:20:10,983 INFO L226 Difference]: Without dead ends: 228 [2021-11-25 18:20:10,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:10,985 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 93 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:10,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 49 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:10,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-25 18:20:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2021-11-25 18:20:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.5066666666666666) internal successors, (339), 225 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 339 transitions. [2021-11-25 18:20:11,000 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 339 transitions. Word has length 77 [2021-11-25 18:20:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:11,000 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 339 transitions. [2021-11-25 18:20:11,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 339 transitions. [2021-11-25 18:20:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 18:20:11,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:11,002 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:11,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:20:11,003 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:11,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:11,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1009770334, now seen corresponding path program 1 times [2021-11-25 18:20:11,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:11,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464897418] [2021-11-25 18:20:11,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:11,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 18:20:11,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:11,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464897418] [2021-11-25 18:20:11,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464897418] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:20:11,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559257349] [2021-11-25 18:20:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:11,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:11,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:11,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:20:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:11,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:20:11,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-25 18:20:11,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-25 18:20:12,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559257349] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:20:12,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [824967856] [2021-11-25 18:20:12,066 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2021-11-25 18:20:12,066 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:20:12,073 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:20:12,079 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:20:12,079 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:20:25,006 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:20:43,644 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7125#(and (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_connect_~initial_state#1| 12292) (= |ULTIMATE.start_ssl3_connect_~tmp___0~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__s3__flags~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_renegotiate~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_~initial_state#1|) (<= |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1| 2147483648) (<= |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483648)) (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483647) (= 12292 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__flags~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_#in~initial_state#1| 12292) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~skip~0#1| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~s__init_buf___0~0#1| 1) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~ret~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~ret~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~state~0#1| |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483648)) (<= 0 (+ 2147483647 |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483647) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_#in~initial_state#1|) (= |#NULL.base| 0) (<= |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483647))' at error location [2021-11-25 18:20:43,644 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:20:43,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:20:43,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 7 [2021-11-25 18:20:43,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726085786] [2021-11-25 18:20:43,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:20:43,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:20:43,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:43,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:20:43,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1266, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 18:20:43,647 INFO L87 Difference]: Start difference. First operand 226 states and 339 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:43,837 INFO L93 Difference]: Finished difference Result 1266 states and 1912 transitions. [2021-11-25 18:20:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:20:43,838 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-25 18:20:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:43,846 INFO L225 Difference]: With dead ends: 1266 [2021-11-25 18:20:43,847 INFO L226 Difference]: Without dead ends: 1264 [2021-11-25 18:20:43,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=216, Invalid=1266, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 18:20:43,849 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 827 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:43,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 1106 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-11-25 18:20:43,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1260. [2021-11-25 18:20:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1259 states have (on average 1.5107227958697378) internal successors, (1902), 1259 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1902 transitions. [2021-11-25 18:20:43,898 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1902 transitions. Word has length 85 [2021-11-25 18:20:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:43,899 INFO L470 AbstractCegarLoop]: Abstraction has 1260 states and 1902 transitions. [2021-11-25 18:20:43,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 7 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:43,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1902 transitions. [2021-11-25 18:20:43,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-25 18:20:43,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:43,903 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:43,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:20:44,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-25 18:20:44,123 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:44,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:44,124 INFO L85 PathProgramCache]: Analyzing trace with hash -541472718, now seen corresponding path program 1 times [2021-11-25 18:20:44,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:44,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275210682] [2021-11-25 18:20:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:44,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-25 18:20:44,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:44,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275210682] [2021-11-25 18:20:44,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275210682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:44,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:44,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:44,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652918023] [2021-11-25 18:20:44,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:44,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:44,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:44,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:44,190 INFO L87 Difference]: Start difference. First operand 1260 states and 1902 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:44,335 INFO L93 Difference]: Finished difference Result 2638 states and 4012 transitions. [2021-11-25 18:20:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:44,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 152 [2021-11-25 18:20:44,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:44,343 INFO L225 Difference]: With dead ends: 2638 [2021-11-25 18:20:44,343 INFO L226 Difference]: Without dead ends: 1229 [2021-11-25 18:20:44,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:44,346 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 62 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:44,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 123 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:44,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2021-11-25 18:20:44,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1072. [2021-11-25 18:20:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.4061624649859943) internal successors, (1506), 1071 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1506 transitions. [2021-11-25 18:20:44,390 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1506 transitions. Word has length 152 [2021-11-25 18:20:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:44,390 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1506 transitions. [2021-11-25 18:20:44,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1506 transitions. [2021-11-25 18:20:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-25 18:20:44,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:44,394 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:44,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:20:44,394 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:44,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:44,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1943048454, now seen corresponding path program 1 times [2021-11-25 18:20:44,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:44,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987602058] [2021-11-25 18:20:44,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:44,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-25 18:20:44,439 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:44,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987602058] [2021-11-25 18:20:44,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987602058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:44,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:44,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:44,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914171880] [2021-11-25 18:20:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:44,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:44,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:44,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:44,441 INFO L87 Difference]: Start difference. First operand 1072 states and 1506 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:44,586 INFO L93 Difference]: Finished difference Result 2152 states and 3055 transitions. [2021-11-25 18:20:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:44,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 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 154 [2021-11-25 18:20:44,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:44,594 INFO L225 Difference]: With dead ends: 2152 [2021-11-25 18:20:44,594 INFO L226 Difference]: Without dead ends: 1283 [2021-11-25 18:20:44,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:44,596 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 73 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:44,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 87 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:44,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-11-25 18:20:44,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1132. [2021-11-25 18:20:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1131 states have (on average 1.4040671971706455) internal successors, (1588), 1131 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1588 transitions. [2021-11-25 18:20:44,638 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1588 transitions. Word has length 154 [2021-11-25 18:20:44,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:44,639 INFO L470 AbstractCegarLoop]: Abstraction has 1132 states and 1588 transitions. [2021-11-25 18:20:44,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1588 transitions. [2021-11-25 18:20:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-25 18:20:44,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:44,643 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:44,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:20:44,643 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:44,644 INFO L85 PathProgramCache]: Analyzing trace with hash -627349406, now seen corresponding path program 1 times [2021-11-25 18:20:44,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:44,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482607662] [2021-11-25 18:20:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:44,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-25 18:20:44,715 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:44,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482607662] [2021-11-25 18:20:44,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482607662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:44,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:44,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:44,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175532987] [2021-11-25 18:20:44,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:44,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:44,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:44,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:44,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:44,720 INFO L87 Difference]: Start difference. First operand 1132 states and 1588 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:44,864 INFO L93 Difference]: Finished difference Result 2451 states and 3450 transitions. [2021-11-25 18:20:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:44,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2021-11-25 18:20:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:44,872 INFO L225 Difference]: With dead ends: 2451 [2021-11-25 18:20:44,872 INFO L226 Difference]: Without dead ends: 1260 [2021-11-25 18:20:44,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:44,878 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 66 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:44,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 117 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:44,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2021-11-25 18:20:44,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1224. [2021-11-25 18:20:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 1223 states have (on average 1.383483237939493) internal successors, (1692), 1223 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1692 transitions. [2021-11-25 18:20:44,923 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1692 transitions. Word has length 172 [2021-11-25 18:20:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:44,924 INFO L470 AbstractCegarLoop]: Abstraction has 1224 states and 1692 transitions. [2021-11-25 18:20:44,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1692 transitions. [2021-11-25 18:20:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-25 18:20:44,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:44,930 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:44,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:20:44,930 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:44,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2051634120, now seen corresponding path program 1 times [2021-11-25 18:20:44,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:44,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935524676] [2021-11-25 18:20:44,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:44,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-11-25 18:20:44,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:44,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935524676] [2021-11-25 18:20:44,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935524676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:44,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:44,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:44,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688897988] [2021-11-25 18:20:44,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:44,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:44,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:45,000 INFO L87 Difference]: Start difference. First operand 1224 states and 1692 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:45,162 INFO L93 Difference]: Finished difference Result 2673 states and 3717 transitions. [2021-11-25 18:20:45,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:45,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2021-11-25 18:20:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:45,170 INFO L225 Difference]: With dead ends: 2673 [2021-11-25 18:20:45,170 INFO L226 Difference]: Without dead ends: 1405 [2021-11-25 18:20:45,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:45,173 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 68 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:45,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 115 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2021-11-25 18:20:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1369. [2021-11-25 18:20:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1369 states, 1368 states have (on average 1.3757309941520468) internal successors, (1882), 1368 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1882 transitions. [2021-11-25 18:20:45,222 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1882 transitions. Word has length 193 [2021-11-25 18:20:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:45,222 INFO L470 AbstractCegarLoop]: Abstraction has 1369 states and 1882 transitions. [2021-11-25 18:20:45,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1882 transitions. [2021-11-25 18:20:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 18:20:45,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:45,228 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:45,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:20:45,228 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:45,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:45,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1900662238, now seen corresponding path program 1 times [2021-11-25 18:20:45,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:45,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123009305] [2021-11-25 18:20:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:45,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 537 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2021-11-25 18:20:45,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123009305] [2021-11-25 18:20:45,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123009305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:45,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:45,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:45,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854169797] [2021-11-25 18:20:45,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:45,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:45,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:45,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:45,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:45,355 INFO L87 Difference]: Start difference. First operand 1369 states and 1882 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:45,490 INFO L93 Difference]: Finished difference Result 3284 states and 4514 transitions. [2021-11-25 18:20:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 220 [2021-11-25 18:20:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:45,501 INFO L225 Difference]: With dead ends: 3284 [2021-11-25 18:20:45,501 INFO L226 Difference]: Without dead ends: 1916 [2021-11-25 18:20:45,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:45,503 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 62 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:45,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 298 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:20:45,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2021-11-25 18:20:45,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1915. [2021-11-25 18:20:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1915 states, 1914 states have (on average 1.3725182863113898) internal successors, (2627), 1914 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1915 states and 2627 transitions. [2021-11-25 18:20:45,629 INFO L78 Accepts]: Start accepts. Automaton has 1915 states and 2627 transitions. Word has length 220 [2021-11-25 18:20:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:45,629 INFO L470 AbstractCegarLoop]: Abstraction has 1915 states and 2627 transitions. [2021-11-25 18:20:45,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2627 transitions. [2021-11-25 18:20:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-25 18:20:45,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:45,636 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:45,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:20:45,637 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash -939971812, now seen corresponding path program 1 times [2021-11-25 18:20:45,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:45,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003935319] [2021-11-25 18:20:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:45,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-11-25 18:20:45,694 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:45,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003935319] [2021-11-25 18:20:45,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003935319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:45,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:45,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:45,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368526722] [2021-11-25 18:20:45,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:45,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:45,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:45,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:45,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:45,697 INFO L87 Difference]: Start difference. First operand 1915 states and 2627 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:45,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:45,890 INFO L93 Difference]: Finished difference Result 4144 states and 5719 transitions. [2021-11-25 18:20:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:45,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 221 [2021-11-25 18:20:45,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:45,903 INFO L225 Difference]: With dead ends: 4144 [2021-11-25 18:20:45,904 INFO L226 Difference]: Without dead ends: 2195 [2021-11-25 18:20:45,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:45,907 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 70 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:45,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 113 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:45,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2021-11-25 18:20:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 2146. [2021-11-25 18:20:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.3650349650349651) internal successors, (2928), 2145 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2928 transitions. [2021-11-25 18:20:46,019 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2928 transitions. Word has length 221 [2021-11-25 18:20:46,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:46,020 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2928 transitions. [2021-11-25 18:20:46,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:46,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2928 transitions. [2021-11-25 18:20:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-25 18:20:46,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:46,027 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:46,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:20:46,028 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:46,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:46,028 INFO L85 PathProgramCache]: Analyzing trace with hash -423409451, now seen corresponding path program 1 times [2021-11-25 18:20:46,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:46,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630824243] [2021-11-25 18:20:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:46,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 561 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2021-11-25 18:20:46,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:46,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630824243] [2021-11-25 18:20:46,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630824243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:46,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:46,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:46,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045490356] [2021-11-25 18:20:46,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:46,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:46,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:46,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:46,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:46,088 INFO L87 Difference]: Start difference. First operand 2146 states and 2928 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:46,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:46,297 INFO L93 Difference]: Finished difference Result 4477 states and 6138 transitions. [2021-11-25 18:20:46,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:46,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 254 [2021-11-25 18:20:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:46,311 INFO L225 Difference]: With dead ends: 4477 [2021-11-25 18:20:46,311 INFO L226 Difference]: Without dead ends: 2311 [2021-11-25 18:20:46,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:46,315 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:46,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 110 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2021-11-25 18:20:46,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2262. [2021-11-25 18:20:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.3688633348076074) internal successors, (3095), 2261 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3095 transitions. [2021-11-25 18:20:46,450 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3095 transitions. Word has length 254 [2021-11-25 18:20:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:46,451 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3095 transitions. [2021-11-25 18:20:46,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3095 transitions. [2021-11-25 18:20:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-25 18:20:46,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:46,461 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:46,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:20:46,462 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:46,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:46,462 INFO L85 PathProgramCache]: Analyzing trace with hash 663980274, now seen corresponding path program 1 times [2021-11-25 18:20:46,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:46,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994932852] [2021-11-25 18:20:46,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:46,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 848 proven. 42 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-25 18:20:46,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:46,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994932852] [2021-11-25 18:20:46,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994932852] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:20:46,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610974129] [2021-11-25 18:20:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:46,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:46,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:46,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:46,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:20:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:46,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:20:46,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 770 proven. 120 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-25 18:20:47,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 658 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-25 18:20:47,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610974129] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:20:47,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:20:47,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2021-11-25 18:20:47,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944754969] [2021-11-25 18:20:47,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:47,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:47,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:47,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:47,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:20:47,545 INFO L87 Difference]: Start difference. First operand 2262 states and 3095 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:47,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:47,687 INFO L93 Difference]: Finished difference Result 3907 states and 5339 transitions. [2021-11-25 18:20:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:47,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 289 [2021-11-25 18:20:47,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:47,700 INFO L225 Difference]: With dead ends: 3907 [2021-11-25 18:20:47,700 INFO L226 Difference]: Without dead ends: 2290 [2021-11-25 18:20:47,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:20:47,704 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 95 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:47,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 62 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2021-11-25 18:20:47,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2262. [2021-11-25 18:20:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2261 states have (on average 1.3538257408226448) internal successors, (3061), 2261 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3061 transitions. [2021-11-25 18:20:47,816 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3061 transitions. Word has length 289 [2021-11-25 18:20:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:47,816 INFO L470 AbstractCegarLoop]: Abstraction has 2262 states and 3061 transitions. [2021-11-25 18:20:47,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3061 transitions. [2021-11-25 18:20:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-25 18:20:47,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:47,825 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:47,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:20:48,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:48,050 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:48,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:48,050 INFO L85 PathProgramCache]: Analyzing trace with hash -442939763, now seen corresponding path program 1 times [2021-11-25 18:20:48,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:48,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039572336] [2021-11-25 18:20:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:48,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 862 proven. 56 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-25 18:20:48,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039572336] [2021-11-25 18:20:48,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039572336] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:20:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577998551] [2021-11-25 18:20:48,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:48,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:48,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:48,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:48,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:20:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:48,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 18:20:48,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 784 proven. 134 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-11-25 18:20:48,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 686 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-11-25 18:20:49,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577998551] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-25 18:20:49,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:20:49,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2021-11-25 18:20:49,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224977187] [2021-11-25 18:20:49,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:49,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:49,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:49,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:49,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:20:49,177 INFO L87 Difference]: Start difference. First operand 2262 states and 3061 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:49,365 INFO L93 Difference]: Finished difference Result 3592 states and 4848 transitions. [2021-11-25 18:20:49,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:49,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 291 [2021-11-25 18:20:49,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:49,377 INFO L225 Difference]: With dead ends: 3592 [2021-11-25 18:20:49,377 INFO L226 Difference]: Without dead ends: 1975 [2021-11-25 18:20:49,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:20:49,380 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 92 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:49,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 56 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:49,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2021-11-25 18:20:49,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1867. [2021-11-25 18:20:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1866 states have (on average 1.340300107181136) internal successors, (2501), 1866 states have internal predecessors, (2501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2501 transitions. [2021-11-25 18:20:49,505 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2501 transitions. Word has length 291 [2021-11-25 18:20:49,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:49,506 INFO L470 AbstractCegarLoop]: Abstraction has 1867 states and 2501 transitions. [2021-11-25 18:20:49,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2501 transitions. [2021-11-25 18:20:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-25 18:20:49,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:49,514 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:49,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:20:49,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:49,730 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:20:49,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:49,731 INFO L85 PathProgramCache]: Analyzing trace with hash 537416872, now seen corresponding path program 1 times [2021-11-25 18:20:49,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:49,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376980170] [2021-11-25 18:20:49,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:49,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 748 proven. 226 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-25 18:20:49,852 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:49,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376980170] [2021-11-25 18:20:49,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376980170] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:20:49,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801321040] [2021-11-25 18:20:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:49,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:20:49,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:20:49,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:20:49,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:20:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:49,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:20:49,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:20:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 731 proven. 11 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-25 18:20:50,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:20:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 731 proven. 11 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-25 18:20:50,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801321040] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:20:50,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [450431363] [2021-11-25 18:20:50,829 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2021-11-25 18:20:50,830 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:20:50,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:20:50,830 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:20:50,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:21:09,707 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:21:38,221 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '65196#(and (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_connect_~initial_state#1| 12292) (= |ULTIMATE.start_ssl3_connect_~tmp___0~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___7~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___4~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_good~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect_renegotiate~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_connect~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_~initial_state#1|) (<= |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1| 2147483648) (<= |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483648)) (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___1~0#1| 2147483647) (= 12292 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_ssl3_connect_~tmp___9~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__bbio~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_#in~initial_state#1| 12292) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~cb~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~skip~0#1| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__stats__sess_hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~s__init_buf___0~0#1| 1) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~ret~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~num1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___5~0#1| 2147483647) (<= 0 (+ 2147483648 |ULTIMATE.start_ssl3_connect_~ret~0#1|)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__cert_req~0#1| 2147483648)) (= |ULTIMATE.start_ssl3_connect_~state~0#1| |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__info_callback~0#1| 2147483648)) (<= 0 (+ 2147483647 |ULTIMATE.start_ssl3_connect_~s__in_handshake~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__reuse_message~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__version~0#1| 2147483647) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression__id~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__ctx__info_callback~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483648)) (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_compression~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_ssl3_connect_~s__wbio~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___6~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~tmp___8~0#1| 2147483647) (<= 12292 |ULTIMATE.start_ssl3_connect_#in~initial_state#1|) (= |#NULL.base| 0) (<= |ULTIMATE.start_ssl3_connect_~s__debug~0#1| 2147483647) (<= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 2147483647))' at error location [2021-11-25 18:21:38,222 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-25 18:21:38,222 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:21:38,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 10 [2021-11-25 18:21:38,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119720455] [2021-11-25 18:21:38,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-25 18:21:38,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:21:38,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:38,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:21:38,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1003, Invalid=4547, Unknown=0, NotChecked=0, Total=5550 [2021-11-25 18:21:38,227 INFO L87 Difference]: Start difference. First operand 1867 states and 2501 transitions. Second operand has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:21:39,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:39,192 INFO L93 Difference]: Finished difference Result 3407 states and 4590 transitions. [2021-11-25 18:21:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 18:21:39,196 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 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 304 [2021-11-25 18:21:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:39,196 INFO L225 Difference]: With dead ends: 3407 [2021-11-25 18:21:39,197 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:21:39,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 849 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1730 ImplicationChecksByTransitivity, 28.7s TimeCoverageRelationStatistics Valid=1079, Invalid=5727, Unknown=0, NotChecked=0, Total=6806 [2021-11-25 18:21:39,203 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 379 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:39,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 419 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:21:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:21:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:21:39,204 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) [2021-11-25 18:21:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:21:39,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 304 [2021-11-25 18:21:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:39,205 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:21:39,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:21:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:21:39,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:21:39,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:21:39,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:39,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-25 18:21:39,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 18:21:47,522 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 239) no Hoare annotation was computed. [2021-11-25 18:21:47,523 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 504) no Hoare annotation was computed. [2021-11-25 18:21:47,523 INFO L854 garLoopResultBuilder]: At program point L202(lines 202 545) the Hoare annotation is: (let ((.cse7 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse6 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse7)) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse5 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse1 .cse2 .cse3 .cse4 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse7 (let ((.cse8 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse8 (* 4294967296 (div .cse8 4294967296)))) .cse5)))) [2021-11-25 18:21:47,523 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 556) no Hoare annotation was computed. [2021-11-25 18:21:47,523 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 567) no Hoare annotation was computed. [2021-11-25 18:21:47,524 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-25 18:21:47,524 INFO L858 garLoopResultBuilder]: For program point L335-2(lines 210 540) no Hoare annotation was computed. [2021-11-25 18:21:47,524 INFO L854 garLoopResultBuilder]: At program point L203(lines 202 545) the Hoare annotation is: (let ((.cse13 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse0 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse4 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse13)) (.cse9 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse13 (let ((.cse14 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse14 (* 4294967296 (div .cse14 4294967296)))) .cse7 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))))) [2021-11-25 18:21:47,524 INFO L854 garLoopResultBuilder]: At program point L170(lines 160 559) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-25 18:21:47,524 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 210 540) no Hoare annotation was computed. [2021-11-25 18:21:47,525 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 555) no Hoare annotation was computed. [2021-11-25 18:21:47,525 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 566) no Hoare annotation was computed. [2021-11-25 18:21:47,525 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 72 620) no Hoare annotation was computed. [2021-11-25 18:21:47,525 INFO L854 garLoopResultBuilder]: At program point L140(lines 136 567) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-25 18:21:47,525 INFO L858 garLoopResultBuilder]: For program point L438-2(lines 210 540) no Hoare annotation was computed. [2021-11-25 18:21:47,526 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 245) no Hoare annotation was computed. [2021-11-25 18:21:47,526 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-11-25 18:21:47,526 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 554) no Hoare annotation was computed. [2021-11-25 18:21:47,526 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 565) no Hoare annotation was computed. [2021-11-25 18:21:47,526 INFO L854 garLoopResultBuilder]: At program point L109(lines 109 576) the Hoare annotation is: (let ((.cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse2 (or .cse19 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse5 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse17 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse16 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse21)) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse9 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse23 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse14 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse15 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse20 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (.cse18 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse22 (let ((.cse24 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse24 (* 4294967296 (div .cse24 4294967296)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse3 .cse14 .cse15 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse16 .cse13 .cse3 .cse14 .cse4) (and .cse0 .cse1 .cse17 .cse18 .cse3) (and .cse0 .cse9 .cse10 .cse11 .cse17 .cse2 .cse12 .cse13 .cse14 .cse15) (and (or (and .cse5 .cse7 .cse8 .cse10 .cse11 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse12 .cse13 .cse3 .cse15) (and .cse5 .cse7 .cse8 .cse10 .cse11 .cse17 .cse12 .cse13 .cse3 .cse15)) .cse9 .cse14) (and .cse0 .cse1 .cse18 .cse3 .cse4) (and .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse20 .cse21 .cse22 .cse12 .cse23 .cse13 .cse14) (and .cse19 .cse20 .cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse22) (and .cse5 .cse7 .cse8 .cse9 .cse10 .cse11 .cse17 .cse12 .cse16 .cse13 .cse3 .cse14) (and .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse20 .cse22 .cse12 .cse23 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse19 .cse20 .cse18 .cse22)))) [2021-11-25 18:21:47,526 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 555) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse2 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-25 18:21:47,527 INFO L854 garLoopResultBuilder]: At program point L541(lines 106 607) the Hoare annotation is: (let ((.cse21 (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (.cse0 (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse17 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (or (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse21)) (.cse12 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse7 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse23 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse14 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse15 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse16 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse19 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse20 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))) (.cse18 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse22 (let ((.cse24 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse24 (* 4294967296 (div .cse24 4294967296)))))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse12 .cse13 .cse2) (and .cse15 .cse16 .cse17 .cse18 .cse12) (and .cse15 .cse7 .cse8 .cse9 .cse17 (or .cse19 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) .cse10 .cse11 .cse13 .cse14) (and (or (and .cse3 .cse5 .cse6 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse10 .cse11 .cse12 .cse14) (and .cse3 .cse5 .cse6 .cse8 .cse9 .cse17 .cse10 .cse11 .cse12 .cse14)) .cse7 .cse13) (and .cse15 .cse16 .cse18 .cse12 .cse2) (and .cse19 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse20 .cse21 .cse22 .cse10 .cse23 .cse11 .cse13) (and .cse19 .cse20 .cse21 .cse0 .cse22) (and .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse17 .cse10 .cse1 .cse11 .cse12 .cse13) (and .cse19 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse20 .cse22 .cse10 .cse23 .cse11 .cse13 .cse14) (and .cse15 .cse16 .cse19 .cse20 .cse18 .cse22)))) [2021-11-25 18:21:47,527 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 553) no Hoare annotation was computed. [2021-11-25 18:21:47,527 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 564) no Hoare annotation was computed. [2021-11-25 18:21:47,527 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 575) no Hoare annotation was computed. [2021-11-25 18:21:47,527 INFO L861 garLoopResultBuilder]: At program point L608(lines 105 609) the Hoare annotation is: true [2021-11-25 18:21:47,528 INFO L854 garLoopResultBuilder]: At program point L146(lines 142 565) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse5 (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse10 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse11 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse12 (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse13 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse7 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse7 (* 4294967296 (div .cse7 4294967296)))) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-11-25 18:21:47,528 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 605) no Hoare annotation was computed. [2021-11-25 18:21:47,528 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 552) no Hoare annotation was computed. [2021-11-25 18:21:47,528 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 563) no Hoare annotation was computed. [2021-11-25 18:21:47,528 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 574) no Hoare annotation was computed. [2021-11-25 18:21:47,528 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 602) no Hoare annotation was computed. [2021-11-25 18:21:47,529 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 352) no Hoare annotation was computed. [2021-11-25 18:21:47,529 INFO L858 garLoopResultBuilder]: For program point L314-1(lines 314 328) no Hoare annotation was computed. [2021-11-25 18:21:47,529 INFO L854 garLoopResultBuilder]: At program point L215(lines 112 575) the Hoare annotation is: (let ((.cse10 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse0 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-25 18:21:47,529 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 553) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse2 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse2 (* 4294967296 (div .cse2 4294967296)))) .cse3 .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-25 18:21:47,529 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 588) no Hoare annotation was computed. [2021-11-25 18:21:47,530 INFO L858 garLoopResultBuilder]: For program point L579-2(lines 578 600) no Hoare annotation was computed. [2021-11-25 18:21:47,530 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 551) no Hoare annotation was computed. [2021-11-25 18:21:47,530 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 562) no Hoare annotation was computed. [2021-11-25 18:21:47,530 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 573) no Hoare annotation was computed. [2021-11-25 18:21:47,530 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 585) no Hoare annotation was computed. [2021-11-25 18:21:47,530 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 454) no Hoare annotation was computed. [2021-11-25 18:21:47,531 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 18:21:47,531 INFO L854 garLoopResultBuilder]: At program point L152(lines 148 563) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4448))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296))))))) [2021-11-25 18:21:47,531 INFO L858 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-25 18:21:47,531 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 316 328) no Hoare annotation was computed. [2021-11-25 18:21:47,531 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-11-25 18:21:47,531 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 550) no Hoare annotation was computed. [2021-11-25 18:21:47,532 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 561) no Hoare annotation was computed. [2021-11-25 18:21:47,532 INFO L858 garLoopResultBuilder]: For program point L220-2(lines 210 540) no Hoare annotation was computed. [2021-11-25 18:21:47,532 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 572) no Hoare annotation was computed. [2021-11-25 18:21:47,532 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 551) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528)) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse4 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse4 (* 4294967296 (div .cse4 4294967296)))) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-25 18:21:47,532 INFO L861 garLoopResultBuilder]: At program point L619(lines 19 621) the Hoare annotation is: true [2021-11-25 18:21:47,532 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 18:21:47,533 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 261) no Hoare annotation was computed. [2021-11-25 18:21:47,533 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 549) no Hoare annotation was computed. [2021-11-25 18:21:47,533 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 560) no Hoare annotation was computed. [2021-11-25 18:21:47,533 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 571) no Hoare annotation was computed. [2021-11-25 18:21:47,533 INFO L854 garLoopResultBuilder]: At program point L158(lines 154 561) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480)) (.cse4 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) .cse2 (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse4) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2021-11-25 18:21:47,533 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-11-25 18:21:47,534 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-11-25 18:21:47,534 INFO L854 garLoopResultBuilder]: At program point L358(lines 72 620) the Hoare annotation is: false [2021-11-25 18:21:47,534 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 548) no Hoare annotation was computed. [2021-11-25 18:21:47,534 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 559) no Hoare annotation was computed. [2021-11-25 18:21:47,534 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 570) no Hoare annotation was computed. [2021-11-25 18:21:47,534 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 549) the Hoare annotation is: (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (let ((.cse3 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse3 (* 4294967296 (div .cse3 4294967296)))) .cse2))) [2021-11-25 18:21:47,535 INFO L854 garLoopResultBuilder]: At program point L128(lines 124 571) the Hoare annotation is: (and (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (let ((.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432)) (.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4385 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse9 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse7 .cse8 .cse9) (and .cse4 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse7 .cse8 .cse9))))) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-25 18:21:47,535 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-11-25 18:21:47,535 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 210 540) no Hoare annotation was computed. [2021-11-25 18:21:47,535 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 547) no Hoare annotation was computed. [2021-11-25 18:21:47,535 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 558) no Hoare annotation was computed. [2021-11-25 18:21:47,535 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 569) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 618) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 496 508) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 249) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 546) no Hoare annotation was computed. [2021-11-25 18:21:47,536 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 557) no Hoare annotation was computed. [2021-11-25 18:21:47,537 INFO L858 garLoopResultBuilder]: For program point L232-2(lines 210 540) no Hoare annotation was computed. [2021-11-25 18:21:47,537 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 568) no Hoare annotation was computed. [2021-11-25 18:21:47,537 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 547) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (or .cse4 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3) (and .cse4 (not (= 5 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) (= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (let ((.cse5 (+ 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|))) (= .cse5 (* 4294967296 (div .cse5 4294967296)))))))) [2021-11-25 18:21:47,537 INFO L854 garLoopResultBuilder]: At program point L134(lines 130 569) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (not (= 4096 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (let ((.cse0 (not (= 4433 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (not (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse2 (not (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse3 (not (= 4401 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse4 (not (= 4417 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse5 (not (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse6 (not (= 4369 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse7 (not (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse8 (not (= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse5 .cse6 .cse7 .cse8))) (not (= 4099 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) [2021-11-25 18:21:47,540 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:47,542 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:21:47,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:21:47 BoogieIcfgContainer [2021-11-25 18:21:47,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:21:47,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:21:47,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:21:47,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:21:47,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:07" (3/4) ... [2021-11-25 18:21:47,592 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:21:47,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-11-25 18:21:47,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 18:21:47,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 18:21:47,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:21:47,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:21:47,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:21:47,701 INFO L158 Benchmark]: Toolchain (without parser) took 102079.25ms. Allocated memory was 92.3MB in the beginning and 755.0MB in the end (delta: 662.7MB). Free memory was 56.0MB in the beginning and 523.6MB in the end (delta: -467.6MB). Peak memory consumption was 195.0MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,702 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:21:47,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.23ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 90.9MB in the end (delta: -35.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.54ms. Allocated memory is still 119.5MB. Free memory was 90.9MB in the beginning and 88.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,703 INFO L158 Benchmark]: Boogie Preprocessor took 40.58ms. Allocated memory is still 119.5MB. Free memory was 88.2MB in the beginning and 86.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,703 INFO L158 Benchmark]: RCFGBuilder took 965.05ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 73.4MB in the end (delta: 13.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,703 INFO L158 Benchmark]: TraceAbstraction took 100464.44ms. Allocated memory was 119.5MB in the beginning and 755.0MB in the end (delta: 635.4MB). Free memory was 72.7MB in the beginning and 535.1MB in the end (delta: -462.4MB). Peak memory consumption was 443.9MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,704 INFO L158 Benchmark]: Witness Printer took 112.47ms. Allocated memory is still 755.0MB. Free memory was 535.1MB in the beginning and 523.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 18:21:47,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.23ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 90.9MB in the end (delta: -35.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.54ms. Allocated memory is still 119.5MB. Free memory was 90.9MB in the beginning and 88.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.58ms. Allocated memory is still 119.5MB. Free memory was 88.2MB in the beginning and 86.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 965.05ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 73.4MB in the end (delta: 13.1MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * TraceAbstraction took 100464.44ms. Allocated memory was 119.5MB in the beginning and 755.0MB in the end (delta: 635.4MB). Free memory was 72.7MB in the beginning and 535.1MB in the end (delta: -462.4MB). Peak memory consumption was 443.9MB. Max. memory is 16.1GB. * Witness Printer took 112.47ms. Allocated memory is still 755.0MB. Free memory was 535.1MB in the beginning and 523.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 618]: 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, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 100.3s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2845 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2845 mSDsluCounter, 3197 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1666 mSDsCounter, 740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3209 IncrementalHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 740 mSolverCounterUnsat, 1693 mSDtfsCounter, 3209 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2398 GetRequests, 2247 SyntacticMatches, 3 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031 ImplicationChecksByTransitivity, 47.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2262occurred in iteration=19, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 647 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 184 NumberOfFragments, 2437 HoareAnnotationTreeSize, 20 FomulaSimplifications, 10074 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 20 FomulaSimplificationsInter, 78297 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 3863 NumberOfCodeBlocks, 3863 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4802 ConstructedInterpolants, 0 QuantifiedInterpolants, 10271 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1956 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 16782/17630 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4432 == s__state))) || (((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((!(4433 == s__state) && s__hit == 0) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((s__state <= 4432 && !(4096 == s__state)) && ((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)))) && !(4099 == s__state) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(4433 == s__state) && 4432 <= s__state) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state)) && blastFlag == 0) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((((!(4433 == s__state) && s__hit == 0) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) || (((((((((((((!(4433 == s__state) && s__hit == 0) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (!(4096 == s__state) && (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (s__state <= 4432 && ((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) && blastFlag == 0) || (((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)))))) && !(4099 == s__state) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((((((s__hit == 0 && !(4416 == s__state)) && !(4384 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((!(4433 == s__state) && 4432 <= s__state) && (s__hit == 0 || 4560 <= s__state)) && !(4432 == s__state)) && blastFlag == 0) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) && blastFlag == 0)) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state))) || (((((((((!(4433 == s__state) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || ((((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) && !(4096 == s__state)) && !(4099 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296))) || (((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && s__state <= 4512) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4512) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4512) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) || (((((((((((((((s__hit == 0 && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && !(4432 == s__state)) || (((!(4433 == s__state) && 4432 <= s__state) && !(4432 == s__state)) && blastFlag == 0)) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((((((((((4560 == s__state && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && blastFlag == 0) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && !(4352 == s__state)) && blastFlag == 0)) || ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state)) && blastFlag == 0)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state))) || (((((((((!(4433 == s__state) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && (s__hit == 0 || 4560 <= s__state)) && !(4385 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || ((((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) && !(4096 == s__state)) && !(4099 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0)) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state))) || ((((s__hit == 0 && !(5 == blastFlag)) && 4560 == s__s3__tmp__next_state___0) && 4560 == s__state) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296))) || (((((((((((!(4416 == s__state) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && (3 == s__s3__tmp__next_state___0 || 4560 == s__s3__tmp__next_state___0)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4099 == s__state))) || (((((((((((((s__hit == 0 && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4096 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4099 == s__state)) && !(4352 == s__state))) || (((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((4432 <= s__state && s__hit == 0) && 2 == blastFlag) && s__state <= 4448) || ((((4432 <= s__state && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4448) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((((((((((!(4416 == s__state) && !(4384 == s__state)) && !(4400 == s__state)) && s__state <= 4432) && !(4401 == s__state)) && !(4417 == s__state)) && blastFlag == 1) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) || (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && 2 == blastFlag) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state))) || (((((((((((!(4433 == s__state) && !(4416 == s__state)) && !(4384 == s__state)) && !(4400 == s__state)) && !(4401 == s__state)) && !(4417 == s__state)) && !(4385 == s__state)) && !(4368 == s__state)) && !(4369 == s__state)) && !(4432 == s__state)) && !(4352 == s__state)) && blastFlag == 0) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4480) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4480) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4480) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4528) && !(4432 == s__state)) || ((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4528) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4528) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && s__state <= 4480) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4480) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4480) && !(4432 == s__state)) && blastFlag == 0) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((((!(4433 == s__state) && 4432 <= s__state) && s__hit == 0) && !(5 == blastFlag)) && 256 + s__s3__tmp__new_cipher__algorithms == 4294967296 * ((256 + s__s3__tmp__new_cipher__algorithms) / 4294967296)) && s__state <= 4512) && !(4432 == s__state)) || ((((!(4433 == s__state) && 4432 <= s__state) && 2 == blastFlag) && s__state <= 4512) && !(4432 == s__state))) || ((((!(4433 == s__state) && 4432 <= s__state) && s__state <= 4512) && !(4432 == s__state)) && blastFlag == 0) RESULT: Ultimate proved your program to be correct! [2021-11-25 18:21:47,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ffce162-ccc2-4cb1-9b73-fe172fc4dd36/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE