./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.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_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:30:40,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:30:40,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:30:40,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:30:40,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:30:40,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:30:40,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:30:40,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:30:40,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:30:40,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:30:40,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:30:40,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:30:40,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:30:40,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:30:40,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:30:40,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:30:40,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:30:40,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:30:40,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:30:40,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:30:40,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:30:40,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:30:40,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:30:40,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:30:40,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:30:40,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:30:40,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:30:40,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:30:40,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:30:40,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:30:40,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:30:40,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:30:40,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:30:40,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:30:40,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:30:40,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:30:40,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:30:40,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:30:40,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:30:40,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:30:40,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:30:40,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:30:41,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:30:41,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:30:41,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:30:41,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:30:41,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:30:41,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:30:41,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:30:41,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:30:41,012 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:30:41,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:30:41,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:30:41,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:30:41,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:30:41,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:30:41,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:30:41,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:30:41,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:30:41,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:30:41,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:30:41,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:30:41,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:30:41,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:30:41,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2021-12-07 00:30:41,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:30:41,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:30:41,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:30:41,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:30:41,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:30:41,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-12-07 00:30:41,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/917df5a92/97119ff8ab14448faaae498b8997ab00/FLAG3027f70e7 [2021-12-07 00:30:41,774 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:30:41,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-12-07 00:30:41,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/917df5a92/97119ff8ab14448faaae498b8997ab00/FLAG3027f70e7 [2021-12-07 00:30:42,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/917df5a92/97119ff8ab14448faaae498b8997ab00 [2021-12-07 00:30:42,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:30:42,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:30:42,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:30:42,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:30:42,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:30:42,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512b50fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42, skipping insertion in model container [2021-12-07 00:30:42,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:30:42,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:30:42,514 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_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-12-07 00:30:42,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:30:42,531 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:30:42,615 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_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-12-07 00:30:42,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:30:42,634 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:30:42,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42 WrapperNode [2021-12-07 00:30:42,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:30:42,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:30:42,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:30:42,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:30:42,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,703 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 788 [2021-12-07 00:30:42,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:30:42,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:30:42,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:30:42,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:30:42,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:30:42,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:30:42,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:30:42,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:30:42,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (1/1) ... [2021-12-07 00:30:42,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:30:42,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:30:42,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:30:42,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:30:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:30:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:30:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:30:42,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:30:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:30:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:30:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:30:42,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:30:42,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:30:42,974 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:30:42,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:30:42,996 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-07 00:30:45,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-07 00:30:45,620 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-07 00:30:45,620 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:30:45,625 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:30:45,626 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:30:45,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:30:45 BoogieIcfgContainer [2021-12-07 00:30:45,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:30:45,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:30:45,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:30:45,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:30:45,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:30:42" (1/3) ... [2021-12-07 00:30:45,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed817fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:30:45, skipping insertion in model container [2021-12-07 00:30:45,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:42" (2/3) ... [2021-12-07 00:30:45,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed817fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:30:45, skipping insertion in model container [2021-12-07 00:30:45,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:30:45" (3/3) ... [2021-12-07 00:30:45,633 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2021-12-07 00:30:45,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:30:45,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:30:45,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:30:45,677 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:30:45,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:30:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-07 00:30:45,698 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:45,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:45,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:45,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:45,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1430116946, now seen corresponding path program 1 times [2021-12-07 00:30:45,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:45,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038418367] [2021-12-07 00:30:45,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:45,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:46,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:46,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038418367] [2021-12-07 00:30:46,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038418367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:46,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:46,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:30:46,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39569424] [2021-12-07 00:30:46,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:46,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:30:46,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:46,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:30:46,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:30:46,097 INFO L87 Difference]: Start difference. First operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:48,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:48,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:48,543 INFO L93 Difference]: Finished difference Result 412 states and 693 transitions. [2021-12-07 00:30:48,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:30:48,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-12-07 00:30:48,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:48,556 INFO L225 Difference]: With dead ends: 412 [2021-12-07 00:30:48,556 INFO L226 Difference]: Without dead ends: 250 [2021-12-07 00:30:48,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:30:48,561 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 144 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:48,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 417 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 274 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-07 00:30:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-12-07 00:30:48,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 177. [2021-12-07 00:30:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 1.6079545454545454) internal successors, (283), 176 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 283 transitions. [2021-12-07 00:30:48,605 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 283 transitions. Word has length 47 [2021-12-07 00:30:48,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:48,605 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 283 transitions. [2021-12-07 00:30:48,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 283 transitions. [2021-12-07 00:30:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-07 00:30:48,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:48,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:48,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:30:48,608 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:48,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:48,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1376827281, now seen corresponding path program 1 times [2021-12-07 00:30:48,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:48,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630048208] [2021-12-07 00:30:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:48,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:48,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:48,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630048208] [2021-12-07 00:30:48,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630048208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:48,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:48,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:30:48,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567263612] [2021-12-07 00:30:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:48,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:30:48,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:30:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:30:48,737 INFO L87 Difference]: Start difference. First operand 177 states and 283 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:50,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:50,949 INFO L93 Difference]: Finished difference Result 372 states and 593 transitions. [2021-12-07 00:30:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:30:50,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-12-07 00:30:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:50,951 INFO L225 Difference]: With dead ends: 372 [2021-12-07 00:30:50,951 INFO L226 Difference]: Without dead ends: 205 [2021-12-07 00:30:50,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:30:50,953 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 22 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:50,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 448 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 150 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:30:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-12-07 00:30:50,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 188. [2021-12-07 00:30:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.6149732620320856) internal successors, (302), 187 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 302 transitions. [2021-12-07 00:30:50,964 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 302 transitions. Word has length 48 [2021-12-07 00:30:50,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:50,964 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 302 transitions. [2021-12-07 00:30:50,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:50,964 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 302 transitions. [2021-12-07 00:30:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-07 00:30:50,966 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:50,966 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:50,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:30:50,967 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:50,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:50,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1326962752, now seen corresponding path program 1 times [2021-12-07 00:30:50,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:50,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289508569] [2021-12-07 00:30:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:50,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:51,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:51,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289508569] [2021-12-07 00:30:51,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289508569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:51,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:51,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:30:51,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691214332] [2021-12-07 00:30:51,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:51,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:30:51,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:51,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:30:51,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:30:51,070 INFO L87 Difference]: Start difference. First operand 188 states and 302 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:53,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:53,420 INFO L93 Difference]: Finished difference Result 514 states and 830 transitions. [2021-12-07 00:30:53,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:30:53,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-07 00:30:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:53,423 INFO L225 Difference]: With dead ends: 514 [2021-12-07 00:30:53,423 INFO L226 Difference]: Without dead ends: 347 [2021-12-07 00:30:53,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:30:53,426 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 140 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:53,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 311 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 262 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:30:53,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-12-07 00:30:53,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 220. [2021-12-07 00:30:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.6118721461187215) internal successors, (353), 219 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 353 transitions. [2021-12-07 00:30:53,444 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 353 transitions. Word has length 61 [2021-12-07 00:30:53,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:53,444 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 353 transitions. [2021-12-07 00:30:53,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 353 transitions. [2021-12-07 00:30:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-07 00:30:53,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:53,447 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:53,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:30:53,447 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1254725184, now seen corresponding path program 1 times [2021-12-07 00:30:53,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:53,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419453037] [2021-12-07 00:30:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:53,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:53,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:53,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:53,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419453037] [2021-12-07 00:30:53,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419453037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:53,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:53,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:30:53,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332767707] [2021-12-07 00:30:53,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:53,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:30:53,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:53,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:30:53,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:30:53,540 INFO L87 Difference]: Start difference. First operand 220 states and 353 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:55,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:55,748 INFO L93 Difference]: Finished difference Result 435 states and 694 transitions. [2021-12-07 00:30:55,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:30:55,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-12-07 00:30:55,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:55,750 INFO L225 Difference]: With dead ends: 435 [2021-12-07 00:30:55,750 INFO L226 Difference]: Without dead ends: 236 [2021-12-07 00:30:55,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:30:55,751 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 21 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:55,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 452 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:30:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-12-07 00:30:55,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 220. [2021-12-07 00:30:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.6073059360730593) internal successors, (352), 219 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 352 transitions. [2021-12-07 00:30:55,760 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 352 transitions. Word has length 62 [2021-12-07 00:30:55,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:55,760 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 352 transitions. [2021-12-07 00:30:55,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 352 transitions. [2021-12-07 00:30:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-07 00:30:55,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:55,761 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:55,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:30:55,762 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:55,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:55,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1693511684, now seen corresponding path program 1 times [2021-12-07 00:30:55,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:55,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379706382] [2021-12-07 00:30:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:55,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:55,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:55,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379706382] [2021-12-07 00:30:55,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379706382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:55,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:55,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:30:55,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995711806] [2021-12-07 00:30:55,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:55,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:30:55,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:55,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:30:55,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:30:55,845 INFO L87 Difference]: Start difference. First operand 220 states and 352 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:57,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:30:58,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:58,164 INFO L93 Difference]: Finished difference Result 519 states and 825 transitions. [2021-12-07 00:30:58,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:30:58,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-12-07 00:30:58,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:30:58,167 INFO L225 Difference]: With dead ends: 519 [2021-12-07 00:30:58,167 INFO L226 Difference]: Without dead ends: 320 [2021-12-07 00:30:58,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:30:58,168 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 139 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 62 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:30:58,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 311 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:30:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2021-12-07 00:30:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 221. [2021-12-07 00:30:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.5954545454545455) internal successors, (351), 220 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 351 transitions. [2021-12-07 00:30:58,178 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 351 transitions. Word has length 62 [2021-12-07 00:30:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:30:58,178 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 351 transitions. [2021-12-07 00:30:58,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:30:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 351 transitions. [2021-12-07 00:30:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-07 00:30:58,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:30:58,180 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:58,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:30:58,181 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:30:58,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:58,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1066809839, now seen corresponding path program 1 times [2021-12-07 00:30:58,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:58,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598138142] [2021-12-07 00:30:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:58,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:58,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:58,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598138142] [2021-12-07 00:30:58,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598138142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:58,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:58,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:30:58,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780438692] [2021-12-07 00:30:58,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:58,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:30:58,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:58,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:30:58,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:30:58,261 INFO L87 Difference]: Start difference. First operand 221 states and 351 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:00,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:00,440 INFO L93 Difference]: Finished difference Result 434 states and 689 transitions. [2021-12-07 00:31:00,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:00,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-12-07 00:31:00,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:00,442 INFO L225 Difference]: With dead ends: 434 [2021-12-07 00:31:00,442 INFO L226 Difference]: Without dead ends: 234 [2021-12-07 00:31:00,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:00,443 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 26 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:00,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 458 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:00,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-12-07 00:31:00,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 221. [2021-12-07 00:31:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.5909090909090908) internal successors, (350), 220 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 350 transitions. [2021-12-07 00:31:00,449 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 350 transitions. Word has length 63 [2021-12-07 00:31:00,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:00,449 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 350 transitions. [2021-12-07 00:31:00,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 350 transitions. [2021-12-07 00:31:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-07 00:31:00,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:00,450 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:00,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:31:00,450 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:00,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:00,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1102657701, now seen corresponding path program 1 times [2021-12-07 00:31:00,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:00,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107883271] [2021-12-07 00:31:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:00,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:00,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:00,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107883271] [2021-12-07 00:31:00,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107883271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:00,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:00,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:00,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260381602] [2021-12-07 00:31:00,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:00,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:00,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:00,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:00,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:00,520 INFO L87 Difference]: Start difference. First operand 221 states and 350 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:02,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:02,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:02,711 INFO L93 Difference]: Finished difference Result 434 states and 688 transitions. [2021-12-07 00:31:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:02,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-12-07 00:31:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:02,713 INFO L225 Difference]: With dead ends: 434 [2021-12-07 00:31:02,713 INFO L226 Difference]: Without dead ends: 234 [2021-12-07 00:31:02,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:02,715 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 24 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:02,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 458 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:02,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-12-07 00:31:02,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 221. [2021-12-07 00:31:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.5863636363636364) internal successors, (349), 220 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 349 transitions. [2021-12-07 00:31:02,723 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 349 transitions. Word has length 63 [2021-12-07 00:31:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:02,723 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 349 transitions. [2021-12-07 00:31:02,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 349 transitions. [2021-12-07 00:31:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-07 00:31:02,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:02,725 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:02,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:31:02,725 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:02,725 INFO L85 PathProgramCache]: Analyzing trace with hash -195504471, now seen corresponding path program 1 times [2021-12-07 00:31:02,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:02,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056319098] [2021-12-07 00:31:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:02,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:02,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:02,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056319098] [2021-12-07 00:31:02,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056319098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:02,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:02,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:02,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641966044] [2021-12-07 00:31:02,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:02,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:02,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:02,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:02,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:02,801 INFO L87 Difference]: Start difference. First operand 221 states and 349 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:04,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:05,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:05,011 INFO L93 Difference]: Finished difference Result 434 states and 687 transitions. [2021-12-07 00:31:05,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:05,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-12-07 00:31:05,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:05,012 INFO L225 Difference]: With dead ends: 434 [2021-12-07 00:31:05,012 INFO L226 Difference]: Without dead ends: 234 [2021-12-07 00:31:05,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:05,014 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 22 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:05,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 458 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:05,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-12-07 00:31:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 221. [2021-12-07 00:31:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.5818181818181818) internal successors, (348), 220 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 348 transitions. [2021-12-07 00:31:05,020 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 348 transitions. Word has length 64 [2021-12-07 00:31:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:05,020 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 348 transitions. [2021-12-07 00:31:05,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 348 transitions. [2021-12-07 00:31:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-07 00:31:05,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:05,022 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:05,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:31:05,022 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:05,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:05,023 INFO L85 PathProgramCache]: Analyzing trace with hash 307896966, now seen corresponding path program 1 times [2021-12-07 00:31:05,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:05,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743411124] [2021-12-07 00:31:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:05,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:05,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:05,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743411124] [2021-12-07 00:31:05,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743411124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:05,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:05,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:05,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071340034] [2021-12-07 00:31:05,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:05,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:05,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:05,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:05,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:05,098 INFO L87 Difference]: Start difference. First operand 221 states and 348 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:07,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:07,392 INFO L93 Difference]: Finished difference Result 520 states and 819 transitions. [2021-12-07 00:31:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:07,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 [2021-12-07 00:31:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:07,394 INFO L225 Difference]: With dead ends: 520 [2021-12-07 00:31:07,394 INFO L226 Difference]: Without dead ends: 318 [2021-12-07 00:31:07,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:07,395 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 113 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:07,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 325 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:31:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-12-07 00:31:07,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 246. [2021-12-07 00:31:07,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.620408163265306) internal successors, (397), 245 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 397 transitions. [2021-12-07 00:31:07,401 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 397 transitions. Word has length 65 [2021-12-07 00:31:07,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:07,401 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 397 transitions. [2021-12-07 00:31:07,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 397 transitions. [2021-12-07 00:31:07,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-07 00:31:07,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:07,402 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:07,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:31:07,403 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1634406600, now seen corresponding path program 1 times [2021-12-07 00:31:07,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:07,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884298391] [2021-12-07 00:31:07,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:07,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 00:31:07,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:07,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884298391] [2021-12-07 00:31:07,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884298391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:07,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:07,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:07,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069053414] [2021-12-07 00:31:07,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:07,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:07,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:07,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:07,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:07,501 INFO L87 Difference]: Start difference. First operand 246 states and 397 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:09,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:09,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:09,747 INFO L93 Difference]: Finished difference Result 512 states and 829 transitions. [2021-12-07 00:31:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:09,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-12-07 00:31:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:09,749 INFO L225 Difference]: With dead ends: 512 [2021-12-07 00:31:09,749 INFO L226 Difference]: Without dead ends: 287 [2021-12-07 00:31:09,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:09,750 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 32 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:09,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 504 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-12-07 00:31:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 268. [2021-12-07 00:31:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.6217228464419475) internal successors, (433), 267 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 433 transitions. [2021-12-07 00:31:09,756 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 433 transitions. Word has length 94 [2021-12-07 00:31:09,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:09,756 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 433 transitions. [2021-12-07 00:31:09,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 433 transitions. [2021-12-07 00:31:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-07 00:31:09,757 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:09,758 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:09,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:31:09,758 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:09,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:09,758 INFO L85 PathProgramCache]: Analyzing trace with hash 217673300, now seen corresponding path program 1 times [2021-12-07 00:31:09,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:09,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821034354] [2021-12-07 00:31:09,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:09,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:09,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821034354] [2021-12-07 00:31:09,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821034354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:09,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:09,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:09,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296270553] [2021-12-07 00:31:09,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:09,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:09,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:09,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:09,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:09,828 INFO L87 Difference]: Start difference. First operand 268 states and 433 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:11,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:12,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:12,022 INFO L93 Difference]: Finished difference Result 528 states and 856 transitions. [2021-12-07 00:31:12,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:12,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 94 [2021-12-07 00:31:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:12,024 INFO L225 Difference]: With dead ends: 528 [2021-12-07 00:31:12,024 INFO L226 Difference]: Without dead ends: 281 [2021-12-07 00:31:12,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:12,025 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 20 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:12,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 458 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:12,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-12-07 00:31:12,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 268. [2021-12-07 00:31:12,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.6179775280898876) internal successors, (432), 267 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 432 transitions. [2021-12-07 00:31:12,034 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 432 transitions. Word has length 94 [2021-12-07 00:31:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:12,034 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 432 transitions. [2021-12-07 00:31:12,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 432 transitions. [2021-12-07 00:31:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-07 00:31:12,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:12,036 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:12,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 00:31:12,036 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:12,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:12,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1724300080, now seen corresponding path program 1 times [2021-12-07 00:31:12,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:12,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719848557] [2021-12-07 00:31:12,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:12,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:12,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:12,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719848557] [2021-12-07 00:31:12,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719848557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:12,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:12,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:12,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586548114] [2021-12-07 00:31:12,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:12,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:12,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:12,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:12,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:12,136 INFO L87 Difference]: Start difference. First operand 268 states and 432 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:14,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:14,335 INFO L93 Difference]: Finished difference Result 518 states and 842 transitions. [2021-12-07 00:31:14,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:14,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 95 [2021-12-07 00:31:14,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:14,336 INFO L225 Difference]: With dead ends: 518 [2021-12-07 00:31:14,336 INFO L226 Difference]: Without dead ends: 271 [2021-12-07 00:31:14,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:14,337 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 11 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:14,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 472 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-12-07 00:31:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 268. [2021-12-07 00:31:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.6142322097378277) internal successors, (431), 267 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:14,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 431 transitions. [2021-12-07 00:31:14,343 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 431 transitions. Word has length 95 [2021-12-07 00:31:14,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:14,343 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 431 transitions. [2021-12-07 00:31:14,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:14,343 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 431 transitions. [2021-12-07 00:31:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-07 00:31:14,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:14,344 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:14,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 00:31:14,344 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:14,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1693697111, now seen corresponding path program 1 times [2021-12-07 00:31:14,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:14,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792484748] [2021-12-07 00:31:14,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:14,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:14,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:14,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792484748] [2021-12-07 00:31:14,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792484748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:14,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:14,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:14,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512089153] [2021-12-07 00:31:14,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:14,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:14,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:14,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:14,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:14,410 INFO L87 Difference]: Start difference. First operand 268 states and 431 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:16,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:16,613 INFO L93 Difference]: Finished difference Result 533 states and 861 transitions. [2021-12-07 00:31:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:16,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 108 [2021-12-07 00:31:16,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:16,615 INFO L225 Difference]: With dead ends: 533 [2021-12-07 00:31:16,615 INFO L226 Difference]: Without dead ends: 286 [2021-12-07 00:31:16,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:16,617 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 35 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:16,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 476 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-12-07 00:31:16,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 268. [2021-12-07 00:31:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.6104868913857677) internal successors, (430), 267 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 430 transitions. [2021-12-07 00:31:16,625 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 430 transitions. Word has length 108 [2021-12-07 00:31:16,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:16,625 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 430 transitions. [2021-12-07 00:31:16,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 430 transitions. [2021-12-07 00:31:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-07 00:31:16,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:16,627 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:16,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:31:16,627 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:16,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:16,628 INFO L85 PathProgramCache]: Analyzing trace with hash -786830590, now seen corresponding path program 1 times [2021-12-07 00:31:16,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:16,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778492867] [2021-12-07 00:31:16,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:16,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:16,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:16,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778492867] [2021-12-07 00:31:16,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778492867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:16,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:16,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:16,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445054328] [2021-12-07 00:31:16,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:16,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:16,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:16,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:16,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:16,736 INFO L87 Difference]: Start difference. First operand 268 states and 430 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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) [2021-12-07 00:31:18,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:19,015 INFO L93 Difference]: Finished difference Result 586 states and 931 transitions. [2021-12-07 00:31:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:19,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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 109 [2021-12-07 00:31:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:19,017 INFO L225 Difference]: With dead ends: 586 [2021-12-07 00:31:19,017 INFO L226 Difference]: Without dead ends: 339 [2021-12-07 00:31:19,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:19,018 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 143 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:19,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 331 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:31:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-12-07 00:31:19,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 268. [2021-12-07 00:31:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.595505617977528) internal successors, (426), 267 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 426 transitions. [2021-12-07 00:31:19,024 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 426 transitions. Word has length 109 [2021-12-07 00:31:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:19,024 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 426 transitions. [2021-12-07 00:31:19,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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) [2021-12-07 00:31:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 426 transitions. [2021-12-07 00:31:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-07 00:31:19,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:19,025 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:19,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 00:31:19,025 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:19,026 INFO L85 PathProgramCache]: Analyzing trace with hash 778760430, now seen corresponding path program 1 times [2021-12-07 00:31:19,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:19,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693261656] [2021-12-07 00:31:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:19,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:19,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:19,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693261656] [2021-12-07 00:31:19,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693261656] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:19,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:19,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:19,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120606490] [2021-12-07 00:31:19,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:19,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:19,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:19,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:19,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:19,090 INFO L87 Difference]: Start difference. First operand 268 states and 426 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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) [2021-12-07 00:31:21,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:21,389 INFO L93 Difference]: Finished difference Result 586 states and 923 transitions. [2021-12-07 00:31:21,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:21,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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 109 [2021-12-07 00:31:21,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:21,391 INFO L225 Difference]: With dead ends: 586 [2021-12-07 00:31:21,391 INFO L226 Difference]: Without dead ends: 339 [2021-12-07 00:31:21,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:21,392 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 141 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:21,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 331 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:31:21,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-12-07 00:31:21,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 268. [2021-12-07 00:31:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.5805243445692885) internal successors, (422), 267 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 422 transitions. [2021-12-07 00:31:21,398 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 422 transitions. Word has length 109 [2021-12-07 00:31:21,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:21,398 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 422 transitions. [2021-12-07 00:31:21,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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) [2021-12-07 00:31:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 422 transitions. [2021-12-07 00:31:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-07 00:31:21,399 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:21,399 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:21,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:31:21,399 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:21,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:21,399 INFO L85 PathProgramCache]: Analyzing trace with hash -939290336, now seen corresponding path program 1 times [2021-12-07 00:31:21,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:21,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576004083] [2021-12-07 00:31:21,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:21,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:21,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:21,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576004083] [2021-12-07 00:31:21,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576004083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:21,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:21,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:21,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419250827] [2021-12-07 00:31:21,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:21,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:21,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:21,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:21,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:21,487 INFO L87 Difference]: Start difference. First operand 268 states and 422 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:23,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:23,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:23,705 INFO L93 Difference]: Finished difference Result 532 states and 842 transitions. [2021-12-07 00:31:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:23,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-12-07 00:31:23,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:23,707 INFO L225 Difference]: With dead ends: 532 [2021-12-07 00:31:23,707 INFO L226 Difference]: Without dead ends: 285 [2021-12-07 00:31:23,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:23,708 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 37 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:23,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 478 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:23,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-12-07 00:31:23,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 268. [2021-12-07 00:31:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.5767790262172285) internal successors, (421), 267 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 421 transitions. [2021-12-07 00:31:23,713 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 421 transitions. Word has length 110 [2021-12-07 00:31:23,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:23,713 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 421 transitions. [2021-12-07 00:31:23,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 421 transitions. [2021-12-07 00:31:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-07 00:31:23,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:23,714 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:23,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 00:31:23,714 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:23,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:23,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1220545399, now seen corresponding path program 1 times [2021-12-07 00:31:23,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:23,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547670269] [2021-12-07 00:31:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:23,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:23,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:23,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547670269] [2021-12-07 00:31:23,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547670269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:23,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:23,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:23,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516549800] [2021-12-07 00:31:23,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:23,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:23,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:23,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:23,778 INFO L87 Difference]: Start difference. First operand 268 states and 421 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:25,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:25,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:25,982 INFO L93 Difference]: Finished difference Result 532 states and 840 transitions. [2021-12-07 00:31:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:25,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-12-07 00:31:25,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:25,984 INFO L225 Difference]: With dead ends: 532 [2021-12-07 00:31:25,984 INFO L226 Difference]: Without dead ends: 285 [2021-12-07 00:31:25,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:25,985 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 35 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:25,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 478 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:25,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-12-07 00:31:25,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 268. [2021-12-07 00:31:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.5730337078651686) internal successors, (420), 267 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 420 transitions. [2021-12-07 00:31:25,992 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 420 transitions. Word has length 111 [2021-12-07 00:31:25,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:25,992 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 420 transitions. [2021-12-07 00:31:25,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 420 transitions. [2021-12-07 00:31:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-07 00:31:25,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:25,994 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:25,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 00:31:25,994 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:25,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:25,994 INFO L85 PathProgramCache]: Analyzing trace with hash 89193371, now seen corresponding path program 1 times [2021-12-07 00:31:25,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:25,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391701160] [2021-12-07 00:31:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:25,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:31:26,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:26,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391701160] [2021-12-07 00:31:26,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391701160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:26,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:26,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:26,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602316490] [2021-12-07 00:31:26,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:26,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:26,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:26,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:26,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:26,089 INFO L87 Difference]: Start difference. First operand 268 states and 420 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:28,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:28,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:28,364 INFO L93 Difference]: Finished difference Result 586 states and 911 transitions. [2021-12-07 00:31:28,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:28,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-12-07 00:31:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:28,366 INFO L225 Difference]: With dead ends: 586 [2021-12-07 00:31:28,366 INFO L226 Difference]: Without dead ends: 339 [2021-12-07 00:31:28,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:28,367 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 137 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:28,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 331 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:31:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-12-07 00:31:28,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 268. [2021-12-07 00:31:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 267 states have (on average 1.5580524344569289) internal successors, (416), 267 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 416 transitions. [2021-12-07 00:31:28,375 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 416 transitions. Word has length 112 [2021-12-07 00:31:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:28,375 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 416 transitions. [2021-12-07 00:31:28,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 416 transitions. [2021-12-07 00:31:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-07 00:31:28,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:28,377 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:28,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:31:28,377 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:28,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:28,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1884563494, now seen corresponding path program 1 times [2021-12-07 00:31:28,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:28,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394963324] [2021-12-07 00:31:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:28,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:31:28,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:28,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394963324] [2021-12-07 00:31:28,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394963324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:28,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:28,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:28,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990757684] [2021-12-07 00:31:28,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:28,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:28,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:28,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:28,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:28,473 INFO L87 Difference]: Start difference. First operand 268 states and 416 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:30,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:30,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:30,675 INFO L93 Difference]: Finished difference Result 562 states and 875 transitions. [2021-12-07 00:31:30,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:30,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 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 116 [2021-12-07 00:31:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:30,677 INFO L225 Difference]: With dead ends: 562 [2021-12-07 00:31:30,677 INFO L226 Difference]: Without dead ends: 315 [2021-12-07 00:31:30,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:30,678 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 35 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:30,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 516 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-07 00:31:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-12-07 00:31:30,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 293. [2021-12-07 00:31:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 292 states have (on average 1.5547945205479452) internal successors, (454), 292 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2021-12-07 00:31:30,685 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 116 [2021-12-07 00:31:30,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:30,686 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2021-12-07 00:31:30,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2021-12-07 00:31:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-07 00:31:30,687 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:30,687 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:30,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 00:31:30,687 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash 26479064, now seen corresponding path program 1 times [2021-12-07 00:31:30,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:30,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914864105] [2021-12-07 00:31:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:30,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 00:31:30,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:30,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914864105] [2021-12-07 00:31:30,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914864105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:30,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:30,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:31:30,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984523426] [2021-12-07 00:31:30,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:30,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:31:30,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:30,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:31:30,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:31:30,765 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 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) [2021-12-07 00:31:32,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:33,038 INFO L93 Difference]: Finished difference Result 655 states and 1020 transitions. [2021-12-07 00:31:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:31:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 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 116 [2021-12-07 00:31:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:33,040 INFO L225 Difference]: With dead ends: 655 [2021-12-07 00:31:33,040 INFO L226 Difference]: Without dead ends: 383 [2021-12-07 00:31:33,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:33,041 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 82 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:33,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 494 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-07 00:31:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-12-07 00:31:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 326. [2021-12-07 00:31:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.563076923076923) internal successors, (508), 325 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 508 transitions. [2021-12-07 00:31:33,047 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 508 transitions. Word has length 116 [2021-12-07 00:31:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:33,048 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 508 transitions. [2021-12-07 00:31:33,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 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) [2021-12-07 00:31:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 508 transitions. [2021-12-07 00:31:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-07 00:31:33,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:33,049 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:33,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 00:31:33,049 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1658817010, now seen corresponding path program 1 times [2021-12-07 00:31:33,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:33,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101662250] [2021-12-07 00:31:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:33,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-07 00:31:33,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:33,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101662250] [2021-12-07 00:31:33,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101662250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:33,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:33,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:33,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026686146] [2021-12-07 00:31:33,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:33,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:33,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:33,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:33,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:33,121 INFO L87 Difference]: Start difference. First operand 326 states and 508 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:33,151 INFO L93 Difference]: Finished difference Result 936 states and 1474 transitions. [2021-12-07 00:31:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:33,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 127 [2021-12-07 00:31:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:33,154 INFO L225 Difference]: With dead ends: 936 [2021-12-07 00:31:33,154 INFO L226 Difference]: Without dead ends: 631 [2021-12-07 00:31:33,154 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 [2021-12-07 00:31:33,155 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 143 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:33,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 558 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:31:33,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2021-12-07 00:31:33,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 629. [2021-12-07 00:31:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 628 states have (on average 1.5684713375796178) internal successors, (985), 628 states have internal predecessors, (985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 985 transitions. [2021-12-07 00:31:33,166 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 985 transitions. Word has length 127 [2021-12-07 00:31:33,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:33,166 INFO L470 AbstractCegarLoop]: Abstraction has 629 states and 985 transitions. [2021-12-07 00:31:33,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 985 transitions. [2021-12-07 00:31:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-07 00:31:33,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:33,167 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:33,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 00:31:33,167 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:33,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:33,168 INFO L85 PathProgramCache]: Analyzing trace with hash -390570832, now seen corresponding path program 1 times [2021-12-07 00:31:33,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:33,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188880382] [2021-12-07 00:31:33,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:33,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 00:31:33,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:33,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188880382] [2021-12-07 00:31:33,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188880382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:33,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:33,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:33,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578656034] [2021-12-07 00:31:33,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:33,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:33,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:33,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:33,240 INFO L87 Difference]: Start difference. First operand 629 states and 985 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:33,268 INFO L93 Difference]: Finished difference Result 1495 states and 2350 transitions. [2021-12-07 00:31:33,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:33,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 127 [2021-12-07 00:31:33,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:33,272 INFO L225 Difference]: With dead ends: 1495 [2021-12-07 00:31:33,272 INFO L226 Difference]: Without dead ends: 887 [2021-12-07 00:31:33,273 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 [2021-12-07 00:31:33,273 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 138 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:33,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 431 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:31:33,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-12-07 00:31:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 887. [2021-12-07 00:31:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.562076749435666) internal successors, (1384), 886 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1384 transitions. [2021-12-07 00:31:33,293 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1384 transitions. Word has length 127 [2021-12-07 00:31:33,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:33,293 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1384 transitions. [2021-12-07 00:31:33,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1384 transitions. [2021-12-07 00:31:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-07 00:31:33,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:33,296 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:33,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 00:31:33,296 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:33,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:33,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1945821678, now seen corresponding path program 1 times [2021-12-07 00:31:33,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:33,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273134605] [2021-12-07 00:31:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:33,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-07 00:31:33,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:33,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273134605] [2021-12-07 00:31:33,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273134605] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:33,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:33,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:33,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094466489] [2021-12-07 00:31:33,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:33,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:33,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:33,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:33,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:33,376 INFO L87 Difference]: Start difference. First operand 887 states and 1384 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:33,401 INFO L93 Difference]: Finished difference Result 1780 states and 2780 transitions. [2021-12-07 00:31:33,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:33,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 127 [2021-12-07 00:31:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:33,405 INFO L225 Difference]: With dead ends: 1780 [2021-12-07 00:31:33,405 INFO L226 Difference]: Without dead ends: 914 [2021-12-07 00:31:33,406 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 [2021-12-07 00:31:33,407 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 15 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:33,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 404 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:31:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2021-12-07 00:31:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2021-12-07 00:31:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 913 states have (on average 1.5542168674698795) internal successors, (1419), 913 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1419 transitions. [2021-12-07 00:31:33,428 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1419 transitions. Word has length 127 [2021-12-07 00:31:33,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:33,428 INFO L470 AbstractCegarLoop]: Abstraction has 914 states and 1419 transitions. [2021-12-07 00:31:33,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1419 transitions. [2021-12-07 00:31:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-07 00:31:33,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:33,431 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:33,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 00:31:33,431 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:33,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:33,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1322540076, now seen corresponding path program 1 times [2021-12-07 00:31:33,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:33,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323608547] [2021-12-07 00:31:33,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:33,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-07 00:31:33,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:33,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323608547] [2021-12-07 00:31:33,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323608547] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:33,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:33,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:33,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493098107] [2021-12-07 00:31:33,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:33,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:33,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:33,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:33,508 INFO L87 Difference]: Start difference. First operand 914 states and 1419 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:33,523 INFO L93 Difference]: Finished difference Result 1506 states and 2334 transitions. [2021-12-07 00:31:33,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:33,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-12-07 00:31:33,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:33,525 INFO L225 Difference]: With dead ends: 1506 [2021-12-07 00:31:33,526 INFO L226 Difference]: Without dead ends: 613 [2021-12-07 00:31:33,526 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 [2021-12-07 00:31:33,527 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 4 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:33,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 381 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:31:33,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-12-07 00:31:33,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-12-07 00:31:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 612 states have (on average 1.5343137254901962) internal successors, (939), 612 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 939 transitions. [2021-12-07 00:31:33,538 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 939 transitions. Word has length 127 [2021-12-07 00:31:33,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:33,538 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 939 transitions. [2021-12-07 00:31:33,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 939 transitions. [2021-12-07 00:31:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 00:31:33,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:33,539 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:33,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 00:31:33,539 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:33,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:33,540 INFO L85 PathProgramCache]: Analyzing trace with hash -116280318, now seen corresponding path program 1 times [2021-12-07 00:31:33,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:33,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100829381] [2021-12-07 00:31:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:33,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-07 00:31:33,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:31:33,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100829381] [2021-12-07 00:31:33,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100829381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:33,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:33,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:31:33,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321642249] [2021-12-07 00:31:33,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:33,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:31:33,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:31:33,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:31:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:33,785 INFO L87 Difference]: Start difference. First operand 613 states and 939 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:35,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:37,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:38,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:38,075 INFO L93 Difference]: Finished difference Result 1223 states and 1874 transitions. [2021-12-07 00:31:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:31:38,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 128 [2021-12-07 00:31:38,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:38,078 INFO L225 Difference]: With dead ends: 1223 [2021-12-07 00:31:38,078 INFO L226 Difference]: Without dead ends: 613 [2021-12-07 00:31:38,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:31:38,079 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 7 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:38,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 635 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-07 00:31:38,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-12-07 00:31:38,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-12-07 00:31:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 612 states have (on average 1.5326797385620916) internal successors, (938), 612 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 938 transitions. [2021-12-07 00:31:38,089 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 938 transitions. Word has length 128 [2021-12-07 00:31:38,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:38,089 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 938 transitions. [2021-12-07 00:31:38,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 938 transitions. [2021-12-07 00:31:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 00:31:38,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:38,091 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:38,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 00:31:38,091 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:38,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:38,091 INFO L85 PathProgramCache]: Analyzing trace with hash -545938624, now seen corresponding path program 1 times [2021-12-07 00:31:38,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:31:38,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717389916] [2021-12-07 00:31:38,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:38,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:31:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:31:38,471 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:31:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:31:38,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:31:38,655 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:31:38,655 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:31:38,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-07 00:31:38,659 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, 1, 1, 1, 1] [2021-12-07 00:31:38,661 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:31:38,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:31:38 BoogieIcfgContainer [2021-12-07 00:31:38,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:31:38,751 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:31:38,751 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:31:38,751 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:31:38,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:30:45" (3/4) ... [2021-12-07 00:31:38,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:31:38,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:31:38,754 INFO L158 Benchmark]: Toolchain (without parser) took 56524.06ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 115.3MB in the beginning and 49.8MB in the end (delta: 65.5MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2021-12-07 00:31:38,754 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:31:38,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.79ms. Allocated memory is still 140.5MB. Free memory was 115.0MB in the beginning and 83.6MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-07 00:31:38,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.92ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 78.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 00:31:38,754 INFO L158 Benchmark]: Boogie Preprocessor took 80.29ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 72.0MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:31:38,755 INFO L158 Benchmark]: RCFGBuilder took 2841.78ms. Allocated memory is still 140.5MB. Free memory was 71.7MB in the beginning and 107.2MB in the end (delta: -35.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-12-07 00:31:38,755 INFO L158 Benchmark]: TraceAbstraction took 53121.83ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 106.8MB in the beginning and 49.8MB in the end (delta: 56.9MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2021-12-07 00:31:38,755 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 172.0MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:31:38,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.79ms. Allocated memory is still 140.5MB. Free memory was 115.0MB in the beginning and 83.6MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.92ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 78.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.29ms. Allocated memory is still 140.5MB. Free memory was 78.8MB in the beginning and 72.0MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2841.78ms. Allocated memory is still 140.5MB. Free memory was 71.7MB in the beginning and 107.2MB in the end (delta: -35.5MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * TraceAbstraction took 53121.83ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 106.8MB in the beginning and 49.8MB in the end (delta: 56.9MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 172.0MB. Free memory is still 49.8MB. There was no memory consumed. 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 - UnprovableResult [Line: 1737]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1151. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->info_callback={0:1}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1160] EXPR s->cert VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:1}, blastFlag=0, buf={0:7}, got_new_session=0, init=1, ret=-1, s={-4294967298:0}, s={-4294967298:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=0, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->s3={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:1}, blastFlag=1, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->hit=8, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1383] s->init_num = 0 VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->s3={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1166] COND TRUE 1 VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:1}, blastFlag=2, buf={0:7}, got_new_session=1, init=1, ret=1, s={-4294967298:0}, s={-4294967298:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___2=0, tmp___8=0, tmp___9=11] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:1}, (s->s3)->tmp.reuse_message=4294967303, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->s3={-4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1166] COND TRUE 1 VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=14, s={-4294967298:0}, s={-4294967298:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=-13, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1618] COND TRUE blastFlag == 5 VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=-13, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] [L1737] reach_error() VAL [={0:1}, blastFlag=5, buf={0:7}, got_new_session=1, init=1, ret=-13, s={-4294967298:0}, s={-4294967298:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___8=0, tmp___9=11] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 26, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 1666 SdHoareTripleChecker+Valid, 49.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1666 mSDsluCounter, 10916 SdHoareTripleChecker+Invalid, 47.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6412 mSDsCounter, 526 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4106 IncrementalHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 526 mSolverCounterUnsat, 4504 mSDtfsCounter, 4106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=914occurred in iteration=23, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 25 MinimizatonAttempts, 824 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2473 NumberOfCodeBlocks, 2473 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2320 ConstructedInterpolants, 0 QuantifiedInterpolants, 5109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 1317/1317 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-07 00:31:38,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:31:40,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:31:40,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:31:40,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:31:40,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:31:40,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:31:40,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:31:40,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:31:40,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:31:40,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:31:40,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:31:40,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:31:40,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:31:40,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:31:40,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:31:40,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:31:40,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:31:40,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:31:40,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:31:40,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:31:40,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:31:40,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:31:40,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:31:40,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:31:40,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:31:40,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:31:40,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:31:40,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:31:40,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:31:40,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:31:40,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:31:40,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:31:40,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:31:40,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:31:40,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:31:40,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:31:40,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:31:40,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:31:40,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:31:40,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:31:40,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:31:40,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-07 00:31:40,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:31:40,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:31:40,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:31:40,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:31:40,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:31:40,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:31:40,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:31:40,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:31:40,311 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:31:40,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:31:40,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:31:40,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:31:40,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:31:40,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:31:40,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:31:40,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:31:40,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 00:31:40,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 00:31:40,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 00:31:40,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:31:40,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:31:40,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:31:40,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:31:40,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:31:40,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:31:40,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:31:40,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:31:40,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:31:40,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:31:40,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 00:31:40,316 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2021-12-07 00:31:40,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:31:40,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:31:40,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:31:40,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:31:40,581 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:31:40,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-12-07 00:31:40,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/e90d0375d/3096dbf6a06f4c248b31959a23d13add/FLAG0e0d10708 [2021-12-07 00:31:41,107 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:31:41,108 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-12-07 00:31:41,122 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/e90d0375d/3096dbf6a06f4c248b31959a23d13add/FLAG0e0d10708 [2021-12-07 00:31:41,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/data/e90d0375d/3096dbf6a06f4c248b31959a23d13add [2021-12-07 00:31:41,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:31:41,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:31:41,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:31:41,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:31:41,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:31:41,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd805f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41, skipping insertion in model container [2021-12-07 00:31:41,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:31:41,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:31:41,447 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_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-12-07 00:31:41,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:31:41,467 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-07 00:31:41,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:31:41,538 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_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-12-07 00:31:41,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:31:41,546 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:31:41,623 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_ad1862f1-0ee4-413d-b633-dbc26653e021/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2021-12-07 00:31:41,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:31:41,640 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:31:41,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41 WrapperNode [2021-12-07 00:31:41,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:31:41,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:31:41,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:31:41,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:31:41,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,711 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 757 [2021-12-07 00:31:41,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:31:41,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:31:41,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:31:41,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:31:41,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:31:41,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:31:41,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:31:41,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:31:41,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (1/1) ... [2021-12-07 00:31:41,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:31:41,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:31:41,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:31:41,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:31:41,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:31:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:31:41,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 00:31:41,971 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:31:41,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:31:41,989 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-07 00:31:49,180 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-07 00:31:49,180 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-07 00:31:49,180 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:31:49,186 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:31:49,186 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:31:49,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:31:49 BoogieIcfgContainer [2021-12-07 00:31:49,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:31:49,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:31:49,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:31:49,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:31:49,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:31:41" (1/3) ... [2021-12-07 00:31:49,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734b27bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:31:49, skipping insertion in model container [2021-12-07 00:31:49,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:31:41" (2/3) ... [2021-12-07 00:31:49,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734b27bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:31:49, skipping insertion in model container [2021-12-07 00:31:49,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:31:49" (3/3) ... [2021-12-07 00:31:49,193 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2021-12-07 00:31:49,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:31:49,196 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:31:49,229 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:31:49,233 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:31:49,234 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:31:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-07 00:31:49,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:49,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:49,254 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:49,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:49,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1430116946, now seen corresponding path program 1 times [2021-12-07 00:31:49,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:49,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582501257] [2021-12-07 00:31:49,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:49,269 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:49,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:49,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:49,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 00:31:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:49,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:31:49,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:49,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:49,919 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:49,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582501257] [2021-12-07 00:31:49,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582501257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:49,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:49,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:49,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350183056] [2021-12-07 00:31:49,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:49,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:49,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:49,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:49,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:49,946 INFO L87 Difference]: Start difference. First operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 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 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:50,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:50,028 INFO L93 Difference]: Finished difference Result 418 states and 704 transitions. [2021-12-07 00:31:50,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:50,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-12-07 00:31:50,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:50,043 INFO L225 Difference]: With dead ends: 418 [2021-12-07 00:31:50,043 INFO L226 Difference]: Without dead ends: 255 [2021-12-07 00:31:50,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:50,050 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 187 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:50,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 457 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:31:50,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-12-07 00:31:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-12-07 00:31:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 1.5118110236220472) internal successors, (384), 254 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 384 transitions. [2021-12-07 00:31:50,100 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 384 transitions. Word has length 47 [2021-12-07 00:31:50,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:50,100 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 384 transitions. [2021-12-07 00:31:50,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:50,101 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 384 transitions. [2021-12-07 00:31:50,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-07 00:31:50,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:50,105 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:50,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:31:50,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:50,306 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:50,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:50,307 INFO L85 PathProgramCache]: Analyzing trace with hash -682574659, now seen corresponding path program 1 times [2021-12-07 00:31:50,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:50,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356856083] [2021-12-07 00:31:50,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:50,309 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:50,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:50,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:50,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 00:31:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:50,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:31:50,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:31:50,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:50,902 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:50,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356856083] [2021-12-07 00:31:50,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356856083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:50,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:50,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:50,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803944916] [2021-12-07 00:31:50,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:50,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:50,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:50,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:50,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:50,904 INFO L87 Difference]: Start difference. First operand 255 states and 384 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:51,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:51,037 INFO L93 Difference]: Finished difference Result 498 states and 757 transitions. [2021-12-07 00:31:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:51,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-12-07 00:31:51,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:51,040 INFO L225 Difference]: With dead ends: 498 [2021-12-07 00:31:51,040 INFO L226 Difference]: Without dead ends: 374 [2021-12-07 00:31:51,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:51,042 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 137 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:51,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 562 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:31:51,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-07 00:31:51,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2021-12-07 00:31:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.5067024128686326) internal successors, (562), 373 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 562 transitions. [2021-12-07 00:31:51,066 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 562 transitions. Word has length 64 [2021-12-07 00:31:51,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:51,067 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 562 transitions. [2021-12-07 00:31:51,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 562 transitions. [2021-12-07 00:31:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-07 00:31:51,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:51,070 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:51,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-07 00:31:51,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:51,271 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:51,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:51,273 INFO L85 PathProgramCache]: Analyzing trace with hash 485035231, now seen corresponding path program 1 times [2021-12-07 00:31:51,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:51,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346541311] [2021-12-07 00:31:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:51,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:51,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:51,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:51,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 00:31:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:51,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:31:51,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 00:31:51,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:51,921 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:51,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346541311] [2021-12-07 00:31:51,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346541311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:51,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:51,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:51,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681948715] [2021-12-07 00:31:51,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:51,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:51,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:51,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:51,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:51,923 INFO L87 Difference]: Start difference. First operand 374 states and 562 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:52,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:52,018 INFO L93 Difference]: Finished difference Result 737 states and 1115 transitions. [2021-12-07 00:31:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:52,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-12-07 00:31:52,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:52,021 INFO L225 Difference]: With dead ends: 737 [2021-12-07 00:31:52,021 INFO L226 Difference]: Without dead ends: 494 [2021-12-07 00:31:52,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:52,023 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 137 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:52,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 566 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:31:52,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-12-07 00:31:52,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2021-12-07 00:31:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 1.5050709939148073) internal successors, (742), 493 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 742 transitions. [2021-12-07 00:31:52,039 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 742 transitions. Word has length 86 [2021-12-07 00:31:52,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:52,039 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 742 transitions. [2021-12-07 00:31:52,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 742 transitions. [2021-12-07 00:31:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-07 00:31:52,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:52,041 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:52,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 00:31:52,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:52,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:52,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:52,246 INFO L85 PathProgramCache]: Analyzing trace with hash -220313936, now seen corresponding path program 1 times [2021-12-07 00:31:52,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:52,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239411467] [2021-12-07 00:31:52,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:52,251 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:52,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:52,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:52,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 00:31:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:52,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 00:31:52,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-07 00:31:52,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:52,991 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:52,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239411467] [2021-12-07 00:31:52,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239411467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:52,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:52,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:31:52,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441606003] [2021-12-07 00:31:52,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:52,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:31:52,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:52,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:31:52,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:52,993 INFO L87 Difference]: Start difference. First operand 494 states and 742 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:31:53,148 INFO L93 Difference]: Finished difference Result 854 states and 1285 transitions. [2021-12-07 00:31:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:31:53,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 127 [2021-12-07 00:31:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:31:53,152 INFO L225 Difference]: With dead ends: 854 [2021-12-07 00:31:53,152 INFO L226 Difference]: Without dead ends: 491 [2021-12-07 00:31:53,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:31:53,153 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 138 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:31:53,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 561 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 00:31:53,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-12-07 00:31:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-12-07 00:31:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.493877551020408) internal successors, (732), 490 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 732 transitions. [2021-12-07 00:31:53,166 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 732 transitions. Word has length 127 [2021-12-07 00:31:53,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:31:53,166 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 732 transitions. [2021-12-07 00:31:53,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 732 transitions. [2021-12-07 00:31:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 00:31:53,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:31:53,168 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:31:53,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 00:31:53,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:31:53,370 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:31:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:31:53,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1760202500, now seen corresponding path program 1 times [2021-12-07 00:31:53,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:31:53,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086676159] [2021-12-07 00:31:53,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:31:53,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:31:53,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:31:53,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:31:53,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 00:31:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:31:54,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-07 00:31:54,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:31:54,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-07 00:31:54,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-07 00:31:54,980 INFO L354 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-12-07 00:31:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 58 treesize of output 85 [2021-12-07 00:31:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2021-12-07 00:31:55,213 INFO L354 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-12-07 00:31:55,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2021-12-07 00:31:55,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:31:55,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2021-12-07 00:31:55,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-07 00:31:55,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-07 00:31:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-07 00:31:55,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:31:55,481 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:31:55,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086676159] [2021-12-07 00:31:55,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086676159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:31:55,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:31:55,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:31:55,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619471954] [2021-12-07 00:31:55,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:31:55,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:31:55,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:31:55,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:31:55,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:31:55,482 INFO L87 Difference]: Start difference. First operand 491 states and 732 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:31:57,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:31:59,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:07,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:32:07,924 INFO L93 Difference]: Finished difference Result 979 states and 1460 transitions. [2021-12-07 00:32:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:32:07,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 128 [2021-12-07 00:32:07,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:32:07,928 INFO L225 Difference]: With dead ends: 979 [2021-12-07 00:32:07,928 INFO L226 Difference]: Without dead ends: 491 [2021-12-07 00:32:07,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:32:07,929 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 7 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:32:07,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 635 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-12-07 00:32:07,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2021-12-07 00:32:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2021-12-07 00:32:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.4918367346938775) internal successors, (731), 490 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 731 transitions. [2021-12-07 00:32:07,942 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 731 transitions. Word has length 128 [2021-12-07 00:32:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:32:07,942 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 731 transitions. [2021-12-07 00:32:07,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 731 transitions. [2021-12-07 00:32:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 00:32:07,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:07,943 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:07,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-07 00:32:08,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:32:08,145 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:08,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:08,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1330544194, now seen corresponding path program 1 times [2021-12-07 00:32:08,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:32:08,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387020926] [2021-12-07 00:32:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:08,151 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:32:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:32:08,153 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:32:08,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-07 00:32:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:32:09,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:32:09,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:32:09,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:32:09,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:32:09,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:32:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:32:09,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-07 00:32:09,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-07 00:32:09,452 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-12-07 00:32:09,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-12-07 00:32:09,772 INFO L354 Elim1Store]: treesize reduction 825, result has 7.2 percent of original size [2021-12-07 00:32:09,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-12-07 00:32:10,143 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-12-07 00:32:10,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 23 [2021-12-07 00:32:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-07 00:32:10,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:32:10,249 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 00:32:10,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387020926] [2021-12-07 00:32:10,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387020926] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:32:10,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:32:10,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:32:10,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172824476] [2021-12-07 00:32:10,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:32:10,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:32:10,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 00:32:10,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:32:10,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:32:10,251 INFO L87 Difference]: Start difference. First operand 491 states and 731 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:12,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:13,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:15,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:17,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:32:21,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:32:21,123 INFO L93 Difference]: Finished difference Result 1122 states and 1671 transitions. [2021-12-07 00:32:21,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:32:21,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 128 [2021-12-07 00:32:21,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:32:21,128 INFO L225 Difference]: With dead ends: 1122 [2021-12-07 00:32:21,128 INFO L226 Difference]: Without dead ends: 641 [2021-12-07 00:32:21,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:32:21,129 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 39 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:32:21,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 566 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 184 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2021-12-07 00:32:21,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-12-07 00:32:21,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 566. [2021-12-07 00:32:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.5221238938053097) internal successors, (860), 565 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 860 transitions. [2021-12-07 00:32:21,143 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 860 transitions. Word has length 128 [2021-12-07 00:32:21,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:32:21,143 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 860 transitions. [2021-12-07 00:32:21,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:32:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 860 transitions. [2021-12-07 00:32:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 00:32:21,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:32:21,145 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:21,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-07 00:32:21,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:32:21,347 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:32:21,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:32:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash -545938624, now seen corresponding path program 1 times [2021-12-07 00:32:21,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 00:32:21,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723456105] [2021-12-07 00:32:21,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:32:21,352 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 00:32:21,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 00:32:21,354 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 00:32:21,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-07 00:32:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:32:24,511 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:32:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:32:27,378 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-07 00:32:27,379 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 00:32:27,380 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:32:27,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-07 00:32:27,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 00:32:27,591 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:32:27,599 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:32:27,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:32:27 BoogieIcfgContainer [2021-12-07 00:32:27,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:32:27,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:32:27,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:32:27,742 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:32:27,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:31:49" (3/4) ... [2021-12-07 00:32:27,744 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-07 00:32:27,820 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:32:27,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:32:27,820 INFO L158 Benchmark]: Toolchain (without parser) took 46684.59ms. Allocated memory was 56.6MB in the beginning and 117.4MB in the end (delta: 60.8MB). Free memory was 32.0MB in the beginning and 43.3MB in the end (delta: -11.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,820 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:32:27,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.86ms. Allocated memory was 56.6MB in the beginning and 96.5MB in the end (delta: 39.8MB). Free memory was 31.8MB in the beginning and 69.5MB in the end (delta: -37.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.50ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 64.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,821 INFO L158 Benchmark]: Boogie Preprocessor took 68.39ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 57.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,822 INFO L158 Benchmark]: RCFGBuilder took 7406.26ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.5MB in the beginning and 61.9MB in the end (delta: -4.4MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,822 INFO L158 Benchmark]: TraceAbstraction took 38553.06ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 63.3MB in the end (delta: -2.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,822 INFO L158 Benchmark]: Witness Printer took 77.76ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 43.3MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-07 00:32:27,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.86ms. Allocated memory was 56.6MB in the beginning and 96.5MB in the end (delta: 39.8MB). Free memory was 31.8MB in the beginning and 69.5MB in the end (delta: -37.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.50ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 64.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.39ms. Allocated memory is still 96.5MB. Free memory was 64.8MB in the beginning and 57.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7406.26ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 57.5MB in the beginning and 61.9MB in the end (delta: -4.4MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * TraceAbstraction took 38553.06ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 63.3MB in the end (delta: -2.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 77.76ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 43.3MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 1737]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1160] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->cert={1073741823:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, Time=6, tmp=6, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={2147483637:0}, s={2147483637:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=0, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->s3={-9:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=6, tmp=6, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1383] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->s3={-9:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=6, tmp=6, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___9=2147483648] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->s3={-9:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={2147483637:0}, s={2147483637:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1618] COND TRUE blastFlag == 5 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1737] reach_error() VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={2147483637:0}, s={2147483637:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=6, tmp=6, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.4s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 645 SdHoareTripleChecker+Valid, 23.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 3347 SdHoareTripleChecker+Invalid, 23.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1558 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 1789 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=566occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 574 ConstructedInterpolants, 0 QuantifiedInterpolants, 1718 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4568 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 359/359 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 RESULT: Ultimate proved your program to be incorrect! [2021-12-07 00:32:27,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad1862f1-0ee4-413d-b633-dbc26653e021/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE