./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt --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 7a02d09c3bd79dd383aa53724ac7940e13c97792 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:53:15,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:15,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:15,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:15,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:15,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:15,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:15,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:15,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:15,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:15,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:15,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:15,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:15,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:15,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:15,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:15,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:15,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:15,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:15,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:15,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:15,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:15,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:15,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:15,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:15,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:15,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:15,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:15,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:15,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:15,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:15,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:15,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:15,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:15,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:15,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:15,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:15,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:15,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:15,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:15,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:15,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:53:15,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:15,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:15,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:15,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:15,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:15,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:15,224 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:15,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:15,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:15,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:53:15,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:15,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:15,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:53:15,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:53:15,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:53:15,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:15,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:53:15,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:15,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:53:15,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:15,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:15,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:53:15,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:15,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:15,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:53:15,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:53:15,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:53:15,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:53:15,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:53:15,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:15,232 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_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a02d09c3bd79dd383aa53724ac7940e13c97792 [2021-10-13 00:53:15,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:15,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:15,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:15,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:15,584 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:15,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2021-10-13 00:53:15,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/data/61afad7fe/1bce62ac8a9349cb9abcc39ab4c0ac7e/FLAGc6a22e6c5 [2021-10-13 00:53:16,280 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:16,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c [2021-10-13 00:53:16,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/data/61afad7fe/1bce62ac8a9349cb9abcc39ab4c0ac7e/FLAGc6a22e6c5 [2021-10-13 00:53:16,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/data/61afad7fe/1bce62ac8a9349cb9abcc39ab4c0ac7e [2021-10-13 00:53:16,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:16,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:53:16,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:16,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:16,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:16,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:16" (1/1) ... [2021-10-13 00:53:16,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7cc92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:16, skipping insertion in model container [2021-10-13 00:53:16,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:16" (1/1) ... [2021-10-13 00:53:16,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:16,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:16,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c[42370,42383] [2021-10-13 00:53:16,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:16,996 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:53:17,077 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/sv-benchmarks/c/openssl-simplified/s3_srvr_4.cil.c[42370,42383] [2021-10-13 00:53:17,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:17,098 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:53:17,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17 WrapperNode [2021-10-13 00:53:17,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:17,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:17,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:53:17,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:53:17,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:17,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:53:17,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:53:17,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:53:17,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:53:17,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:53:17,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:53:17,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:53:17,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (1/1) ... [2021-10-13 00:53:17,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:17,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:17,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:53:17,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:53:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:53:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:53:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:53:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:53:17,631 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:53:18,416 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 00:53:18,419 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 00:53:18,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:53:18,436 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:53:18,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:18 BoogieIcfgContainer [2021-10-13 00:53:18,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:53:18,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:53:18,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:53:18,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:53:18,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:16" (1/3) ... [2021-10-13 00:53:18,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d3af28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:18, skipping insertion in model container [2021-10-13 00:53:18,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:17" (2/3) ... [2021-10-13 00:53:18,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d3af28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:18, skipping insertion in model container [2021-10-13 00:53:18,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:18" (3/3) ... [2021-10-13 00:53:18,452 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_4.cil.c [2021-10-13 00:53:18,459 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:53:18,459 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:53:18,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:53:18,541 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:53:18,542 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:53:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-13 00:53:18,581 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:18,581 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:18,582 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2021-10-13 00:53:18,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:18,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102986724] [2021-10-13 00:53:18,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:18,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:18,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:18,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102986724] [2021-10-13 00:53:18,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102986724] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:18,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:18,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:18,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170129307] [2021-10-13 00:53:18,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:18,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:18,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:18,962 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:19,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:19,380 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2021-10-13 00:53:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:19,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-13 00:53:19,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:19,406 INFO L225 Difference]: With dead ends: 328 [2021-10-13 00:53:19,407 INFO L226 Difference]: Without dead ends: 175 [2021-10-13 00:53:19,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-13 00:53:19,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-10-13 00:53:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.6272189349112427) internal successors, (275), 169 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2021-10-13 00:53:19,476 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2021-10-13 00:53:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:19,477 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2021-10-13 00:53:19,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-10-13 00:53:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-13 00:53:19,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:19,482 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:19,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:53:19,483 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:19,484 INFO L82 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2021-10-13 00:53:19,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:19,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101825665] [2021-10-13 00:53:19,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:19,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:19,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:19,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101825665] [2021-10-13 00:53:19,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101825665] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:19,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:19,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:19,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012159284] [2021-10-13 00:53:19,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:19,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:19,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:19,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:19,611 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:19,933 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2021-10-13 00:53:19,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:19,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-10-13 00:53:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:19,949 INFO L225 Difference]: With dead ends: 380 [2021-10-13 00:53:19,949 INFO L226 Difference]: Without dead ends: 216 [2021-10-13 00:53:19,955 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-13 00:53:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2021-10-13 00:53:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6761904761904762) internal successors, (352), 210 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2021-10-13 00:53:20,007 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2021-10-13 00:53:20,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:20,008 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2021-10-13 00:53:20,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2021-10-13 00:53:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-13 00:53:20,020 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:20,021 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:20,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:53:20,023 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:20,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:20,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1754997851, now seen corresponding path program 1 times [2021-10-13 00:53:20,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:20,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683437165] [2021-10-13 00:53:20,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:20,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:20,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:20,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683437165] [2021-10-13 00:53:20,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683437165] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:20,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:20,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:20,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397343284] [2021-10-13 00:53:20,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:20,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:20,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:20,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:20,238 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:20,433 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2021-10-13 00:53:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:20,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-10-13 00:53:20,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:20,438 INFO L225 Difference]: With dead ends: 445 [2021-10-13 00:53:20,438 INFO L226 Difference]: Without dead ends: 242 [2021-10-13 00:53:20,440 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-13 00:53:20,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-10-13 00:53:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.6929460580912863) internal successors, (408), 241 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2021-10-13 00:53:20,478 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2021-10-13 00:53:20,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:20,479 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2021-10-13 00:53:20,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2021-10-13 00:53:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-13 00:53:20,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:20,485 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:20,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:53:20,485 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:20,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:20,487 INFO L82 PathProgramCache]: Analyzing trace with hash -479038981, now seen corresponding path program 1 times [2021-10-13 00:53:20,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:20,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263053796] [2021-10-13 00:53:20,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:20,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:53:20,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:20,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263053796] [2021-10-13 00:53:20,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263053796] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:20,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:20,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:20,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541677250] [2021-10-13 00:53:20,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:20,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:20,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:20,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:20,627 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:20,798 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2021-10-13 00:53:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:20,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-13 00:53:20,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:20,802 INFO L225 Difference]: With dead ends: 493 [2021-10-13 00:53:20,803 INFO L226 Difference]: Without dead ends: 259 [2021-10-13 00:53:20,805 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:20,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-13 00:53:20,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2021-10-13 00:53:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.68359375) internal successors, (431), 256 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2021-10-13 00:53:20,849 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2021-10-13 00:53:20,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:20,850 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2021-10-13 00:53:20,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2021-10-13 00:53:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-13 00:53:20,854 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:20,854 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:20,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:53:20,855 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:20,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:20,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1816808322, now seen corresponding path program 1 times [2021-10-13 00:53:20,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:20,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644948253] [2021-10-13 00:53:20,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:20,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:20,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:20,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644948253] [2021-10-13 00:53:20,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644948253] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:20,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:20,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:20,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031347619] [2021-10-13 00:53:20,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:20,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:21,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:21,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,000 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:21,205 INFO L93 Difference]: Finished difference Result 553 states and 933 transitions. [2021-10-13 00:53:21,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:21,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-13 00:53:21,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:21,210 INFO L225 Difference]: With dead ends: 553 [2021-10-13 00:53:21,210 INFO L226 Difference]: Without dead ends: 304 [2021-10-13 00:53:21,211 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-10-13 00:53:21,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 299. [2021-10-13 00:53:21,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6946308724832215) internal successors, (505), 298 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2021-10-13 00:53:21,232 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2021-10-13 00:53:21,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:21,232 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2021-10-13 00:53:21,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-10-13 00:53:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-13 00:53:21,236 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:21,236 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:21,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:53:21,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:21,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1697148062, now seen corresponding path program 1 times [2021-10-13 00:53:21,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:21,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323079484] [2021-10-13 00:53:21,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:21,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:53:21,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:21,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323079484] [2021-10-13 00:53:21,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323079484] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:21,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:21,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:21,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775556824] [2021-10-13 00:53:21,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:21,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:21,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,344 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:21,482 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2021-10-13 00:53:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:21,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-13 00:53:21,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:21,495 INFO L225 Difference]: With dead ends: 592 [2021-10-13 00:53:21,495 INFO L226 Difference]: Without dead ends: 301 [2021-10-13 00:53:21,496 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-13 00:53:21,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2021-10-13 00:53:21,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6812080536912752) internal successors, (501), 298 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2021-10-13 00:53:21,520 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2021-10-13 00:53:21,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:21,523 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2021-10-13 00:53:21,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2021-10-13 00:53:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-13 00:53:21,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:21,526 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:21,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:53:21,526 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:21,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:21,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1432172412, now seen corresponding path program 1 times [2021-10-13 00:53:21,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:21,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518734966] [2021-10-13 00:53:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:21,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:21,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:21,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518734966] [2021-10-13 00:53:21,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518734966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:21,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:21,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:21,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673151599] [2021-10-13 00:53:21,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:21,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:21,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,646 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:21,831 INFO L93 Difference]: Finished difference Result 595 states and 997 transitions. [2021-10-13 00:53:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:21,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-13 00:53:21,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:21,836 INFO L225 Difference]: With dead ends: 595 [2021-10-13 00:53:21,837 INFO L226 Difference]: Without dead ends: 302 [2021-10-13 00:53:21,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-10-13 00:53:21,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2021-10-13 00:53:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6756756756756757) internal successors, (496), 296 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2021-10-13 00:53:21,857 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2021-10-13 00:53:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:21,858 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2021-10-13 00:53:21,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2021-10-13 00:53:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-13 00:53:21,860 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:21,861 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:21,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:53:21,861 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:21,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1085183485, now seen corresponding path program 1 times [2021-10-13 00:53:21,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:21,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103155771] [2021-10-13 00:53:21,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:21,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-13 00:53:21,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:21,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103155771] [2021-10-13 00:53:21,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103155771] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:21,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:21,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:21,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709432864] [2021-10-13 00:53:21,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:21,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:21,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:21,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:21,948 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:22,071 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2021-10-13 00:53:22,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:22,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-10-13 00:53:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:22,074 INFO L225 Difference]: With dead ends: 595 [2021-10-13 00:53:22,074 INFO L226 Difference]: Without dead ends: 306 [2021-10-13 00:53:22,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-13 00:53:22,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-13 00:53:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.6459016393442623) internal successors, (502), 305 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2021-10-13 00:53:22,095 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2021-10-13 00:53:22,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:22,096 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2021-10-13 00:53:22,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2021-10-13 00:53:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-13 00:53:22,098 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:22,098 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:22,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:53:22,099 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:22,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:22,099 INFO L82 PathProgramCache]: Analyzing trace with hash -860132162, now seen corresponding path program 1 times [2021-10-13 00:53:22,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:22,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485073874] [2021-10-13 00:53:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:22,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:53:22,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:22,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485073874] [2021-10-13 00:53:22,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485073874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:22,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:22,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:22,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771016245] [2021-10-13 00:53:22,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:22,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:22,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:22,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,166 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:22,333 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2021-10-13 00:53:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:22,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2021-10-13 00:53:22,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:22,340 INFO L225 Difference]: With dead ends: 635 [2021-10-13 00:53:22,341 INFO L226 Difference]: Without dead ends: 337 [2021-10-13 00:53:22,342 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-13 00:53:22,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-13 00:53:22,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6437125748502994) internal successors, (549), 334 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2021-10-13 00:53:22,364 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2021-10-13 00:53:22,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:22,367 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2021-10-13 00:53:22,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2021-10-13 00:53:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-13 00:53:22,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:22,370 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:22,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:53:22,371 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:22,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:22,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1120928325, now seen corresponding path program 1 times [2021-10-13 00:53:22,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:22,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948425470] [2021-10-13 00:53:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:22,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:53:22,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:22,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948425470] [2021-10-13 00:53:22,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948425470] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:22,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:22,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:22,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714218140] [2021-10-13 00:53:22,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:22,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:22,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:22,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,434 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:22,596 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2021-10-13 00:53:22,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:22,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-13 00:53:22,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:22,600 INFO L225 Difference]: With dead ends: 664 [2021-10-13 00:53:22,600 INFO L226 Difference]: Without dead ends: 337 [2021-10-13 00:53:22,601 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-13 00:53:22,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-13 00:53:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6317365269461077) internal successors, (545), 334 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2021-10-13 00:53:22,624 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2021-10-13 00:53:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:22,626 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2021-10-13 00:53:22,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2021-10-13 00:53:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-13 00:53:22,628 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:22,629 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:22,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:53:22,630 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:22,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:22,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1084775058, now seen corresponding path program 1 times [2021-10-13 00:53:22,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:22,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277557809] [2021-10-13 00:53:22,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:22,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:53:22,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:22,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277557809] [2021-10-13 00:53:22,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277557809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:22,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:22,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:22,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430780868] [2021-10-13 00:53:22,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:22,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:22,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:22,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,708 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:22,863 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2021-10-13 00:53:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-10-13 00:53:22,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:22,868 INFO L225 Difference]: With dead ends: 697 [2021-10-13 00:53:22,868 INFO L226 Difference]: Without dead ends: 370 [2021-10-13 00:53:22,870 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-13 00:53:22,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-13 00:53:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.626038781163435) internal successors, (587), 361 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2021-10-13 00:53:22,891 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2021-10-13 00:53:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:22,891 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2021-10-13 00:53:22,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2021-10-13 00:53:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-13 00:53:22,894 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:22,894 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:22,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:53:22,895 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:22,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:22,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1691577195, now seen corresponding path program 1 times [2021-10-13 00:53:22,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:22,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459026537] [2021-10-13 00:53:22,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:22,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 00:53:22,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:22,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459026537] [2021-10-13 00:53:22,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459026537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:22,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:22,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:22,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301000778] [2021-10-13 00:53:22,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:22,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:22,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:22,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:22,948 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:23,110 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2021-10-13 00:53:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:23,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-10-13 00:53:23,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:23,124 INFO L225 Difference]: With dead ends: 724 [2021-10-13 00:53:23,125 INFO L226 Difference]: Without dead ends: 370 [2021-10-13 00:53:23,126 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-13 00:53:23,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-13 00:53:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.6121883656509695) internal successors, (582), 361 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2021-10-13 00:53:23,147 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2021-10-13 00:53:23,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:23,148 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2021-10-13 00:53:23,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2021-10-13 00:53:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-13 00:53:23,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:23,152 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:23,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 00:53:23,152 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:23,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:23,154 INFO L82 PathProgramCache]: Analyzing trace with hash -479008336, now seen corresponding path program 1 times [2021-10-13 00:53:23,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:23,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723277603] [2021-10-13 00:53:23,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:23,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 00:53:23,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:23,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723277603] [2021-10-13 00:53:23,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723277603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:23,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:23,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:23,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911856241] [2021-10-13 00:53:23,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:23,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:23,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:23,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,208 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:23,371 INFO L93 Difference]: Finished difference Result 741 states and 1193 transitions. [2021-10-13 00:53:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:23,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-10-13 00:53:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:23,376 INFO L225 Difference]: With dead ends: 741 [2021-10-13 00:53:23,376 INFO L226 Difference]: Without dead ends: 387 [2021-10-13 00:53:23,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-13 00:53:23,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2021-10-13 00:53:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 382 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2021-10-13 00:53:23,401 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2021-10-13 00:53:23,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:23,402 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2021-10-13 00:53:23,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2021-10-13 00:53:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-13 00:53:23,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:23,405 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:23,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 00:53:23,405 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:23,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2118869193, now seen corresponding path program 1 times [2021-10-13 00:53:23,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:23,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613342096] [2021-10-13 00:53:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:23,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 00:53:23,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:23,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613342096] [2021-10-13 00:53:23,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613342096] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:23,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:23,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:23,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888410534] [2021-10-13 00:53:23,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:23,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:23,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:23,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,454 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:23,600 INFO L93 Difference]: Finished difference Result 762 states and 1216 transitions. [2021-10-13 00:53:23,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:23,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-10-13 00:53:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:23,604 INFO L225 Difference]: With dead ends: 762 [2021-10-13 00:53:23,604 INFO L226 Difference]: Without dead ends: 387 [2021-10-13 00:53:23,606 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-13 00:53:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2021-10-13 00:53:23,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5837696335078535) internal successors, (605), 382 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2021-10-13 00:53:23,630 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2021-10-13 00:53:23,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:23,630 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2021-10-13 00:53:23,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2021-10-13 00:53:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-13 00:53:23,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:23,633 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:23,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 00:53:23,634 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:23,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1932137040, now seen corresponding path program 1 times [2021-10-13 00:53:23,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:23,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314695789] [2021-10-13 00:53:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:23,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-13 00:53:23,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:23,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314695789] [2021-10-13 00:53:23,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314695789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:23,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:23,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:23,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890058724] [2021-10-13 00:53:23,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:23,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:23,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:23,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,703 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:23,761 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2021-10-13 00:53:23,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:23,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-10-13 00:53:23,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:23,769 INFO L225 Difference]: With dead ends: 758 [2021-10-13 00:53:23,769 INFO L226 Difference]: Without dead ends: 756 [2021-10-13 00:53:23,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-10-13 00:53:23,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2021-10-13 00:53:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.5841059602649006) internal successors, (1196), 755 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2021-10-13 00:53:23,817 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2021-10-13 00:53:23,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:23,818 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2021-10-13 00:53:23,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2021-10-13 00:53:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-13 00:53:23,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:23,822 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:23,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 00:53:23,822 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:23,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:23,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1552830339, now seen corresponding path program 1 times [2021-10-13 00:53:23,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:23,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949787391] [2021-10-13 00:53:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:23,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 00:53:23,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:23,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949787391] [2021-10-13 00:53:23,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949787391] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:23,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:23,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:23,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970970084] [2021-10-13 00:53:23,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:23,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:23,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:23,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:23,905 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:23,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:23,998 INFO L93 Difference]: Finished difference Result 1832 states and 2900 transitions. [2021-10-13 00:53:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:23,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-13 00:53:23,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:24,008 INFO L225 Difference]: With dead ends: 1832 [2021-10-13 00:53:24,008 INFO L226 Difference]: Without dead ends: 1084 [2021-10-13 00:53:24,010 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:24,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2021-10-13 00:53:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 1084. [2021-10-13 00:53:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1083 states have (on average 1.5817174515235457) internal successors, (1713), 1083 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1713 transitions. [2021-10-13 00:53:24,075 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1713 transitions. Word has length 122 [2021-10-13 00:53:24,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:24,075 INFO L470 AbstractCegarLoop]: Abstraction has 1084 states and 1713 transitions. [2021-10-13 00:53:24,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1713 transitions. [2021-10-13 00:53:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-13 00:53:24,080 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:24,080 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:24,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 00:53:24,081 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:24,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:24,081 INFO L82 PathProgramCache]: Analyzing trace with hash 323652479, now seen corresponding path program 1 times [2021-10-13 00:53:24,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:24,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365651244] [2021-10-13 00:53:24,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:24,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 00:53:24,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:24,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365651244] [2021-10-13 00:53:24,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365651244] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:24,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:24,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:24,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528179674] [2021-10-13 00:53:24,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:24,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:24,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:24,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:24,132 INFO L87 Difference]: Start difference. First operand 1084 states and 1713 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:24,225 INFO L93 Difference]: Finished difference Result 2529 states and 4000 transitions. [2021-10-13 00:53:24,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:24,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-13 00:53:24,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:24,238 INFO L225 Difference]: With dead ends: 2529 [2021-10-13 00:53:24,238 INFO L226 Difference]: Without dead ends: 1453 [2021-10-13 00:53:24,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:24,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2021-10-13 00:53:24,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1453. [2021-10-13 00:53:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1452 states have (on average 1.5805785123966942) internal successors, (2295), 1452 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2295 transitions. [2021-10-13 00:53:24,337 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2295 transitions. Word has length 122 [2021-10-13 00:53:24,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:24,337 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2295 transitions. [2021-10-13 00:53:24,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2295 transitions. [2021-10-13 00:53:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-13 00:53:24,343 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:24,343 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:24,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 00:53:24,344 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:24,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1712946493, now seen corresponding path program 1 times [2021-10-13 00:53:24,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:24,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951417993] [2021-10-13 00:53:24,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:24,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-13 00:53:24,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:24,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951417993] [2021-10-13 00:53:24,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951417993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:24,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:24,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:24,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330122802] [2021-10-13 00:53:24,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:24,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:24,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:24,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:24,414 INFO L87 Difference]: Start difference. First operand 1453 states and 2295 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:24,547 INFO L93 Difference]: Finished difference Result 3249 states and 5133 transitions. [2021-10-13 00:53:24,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:24,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2021-10-13 00:53:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:24,563 INFO L225 Difference]: With dead ends: 3249 [2021-10-13 00:53:24,563 INFO L226 Difference]: Without dead ends: 1804 [2021-10-13 00:53:24,567 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:24,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2021-10-13 00:53:24,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2021-10-13 00:53:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.5784803105934553) internal successors, (2846), 1803 states have internal predecessors, (2846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2846 transitions. [2021-10-13 00:53:24,681 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2846 transitions. Word has length 122 [2021-10-13 00:53:24,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:24,682 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2846 transitions. [2021-10-13 00:53:24,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2846 transitions. [2021-10-13 00:53:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-10-13 00:53:24,690 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:24,691 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:24,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-13 00:53:24,691 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:24,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:24,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1532697181, now seen corresponding path program 1 times [2021-10-13 00:53:24,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:24,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212050450] [2021-10-13 00:53:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:24,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-13 00:53:24,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:24,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212050450] [2021-10-13 00:53:24,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212050450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:24,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:24,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:24,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585122854] [2021-10-13 00:53:24,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:24,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:24,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:24,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:24,754 INFO L87 Difference]: Start difference. First operand 1804 states and 2846 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:24,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:24,999 INFO L93 Difference]: Finished difference Result 3650 states and 5740 transitions. [2021-10-13 00:53:24,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:25,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-10-13 00:53:25,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:25,042 INFO L225 Difference]: With dead ends: 3650 [2021-10-13 00:53:25,042 INFO L226 Difference]: Without dead ends: 1854 [2021-10-13 00:53:25,045 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:25,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2021-10-13 00:53:25,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1804. [2021-10-13 00:53:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.538546866333888) internal successors, (2774), 1803 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2774 transitions. [2021-10-13 00:53:25,146 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2774 transitions. Word has length 199 [2021-10-13 00:53:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:25,147 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2774 transitions. [2021-10-13 00:53:25,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2774 transitions. [2021-10-13 00:53:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-13 00:53:25,155 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:25,155 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:25,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-13 00:53:25,156 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:25,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:25,157 INFO L82 PathProgramCache]: Analyzing trace with hash -995291011, now seen corresponding path program 1 times [2021-10-13 00:53:25,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:25,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632131232] [2021-10-13 00:53:25,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:25,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-13 00:53:25,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:25,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632131232] [2021-10-13 00:53:25,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632131232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:25,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:25,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:25,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012807907] [2021-10-13 00:53:25,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:25,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:25,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:25,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:25,229 INFO L87 Difference]: Start difference. First operand 1804 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:25,481 INFO L93 Difference]: Finished difference Result 3667 states and 5613 transitions. [2021-10-13 00:53:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:25,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 213 [2021-10-13 00:53:25,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:25,496 INFO L225 Difference]: With dead ends: 3667 [2021-10-13 00:53:25,496 INFO L226 Difference]: Without dead ends: 1871 [2021-10-13 00:53:25,499 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:25,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2021-10-13 00:53:25,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1804. [2021-10-13 00:53:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1803 states have (on average 1.4963948973932335) internal successors, (2698), 1803 states have internal predecessors, (2698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2698 transitions. [2021-10-13 00:53:25,631 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2698 transitions. Word has length 213 [2021-10-13 00:53:25,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:25,632 INFO L470 AbstractCegarLoop]: Abstraction has 1804 states and 2698 transitions. [2021-10-13 00:53:25,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2698 transitions. [2021-10-13 00:53:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-13 00:53:25,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:25,640 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:25,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-13 00:53:25,641 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:25,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:25,641 INFO L82 PathProgramCache]: Analyzing trace with hash -344869126, now seen corresponding path program 1 times [2021-10-13 00:53:25,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:25,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040943513] [2021-10-13 00:53:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:25,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-13 00:53:25,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:25,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040943513] [2021-10-13 00:53:25,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040943513] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:25,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074626993] [2021-10-13 00:53:25,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:25,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:25,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:25,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:53:25,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:53:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:25,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:53:25,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 343 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-13 00:53:26,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074626993] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:26,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:53:26,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 00:53:26,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193763049] [2021-10-13 00:53:26,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:26,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:26,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:26,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:26,812 INFO L87 Difference]: Start difference. First operand 1804 states and 2698 transitions. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:27,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:27,287 INFO L93 Difference]: Finished difference Result 4265 states and 6329 transitions. [2021-10-13 00:53:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:27,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2021-10-13 00:53:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:27,306 INFO L225 Difference]: With dead ends: 4265 [2021-10-13 00:53:27,307 INFO L226 Difference]: Without dead ends: 2436 [2021-10-13 00:53:27,311 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:27,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2436 states. [2021-10-13 00:53:27,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2436 to 1604. [2021-10-13 00:53:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1603 states have (on average 1.4734872114784778) internal successors, (2362), 1603 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2362 transitions. [2021-10-13 00:53:27,422 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2362 transitions. Word has length 232 [2021-10-13 00:53:27,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:27,423 INFO L470 AbstractCegarLoop]: Abstraction has 1604 states and 2362 transitions. [2021-10-13 00:53:27,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2362 transitions. [2021-10-13 00:53:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-13 00:53:27,430 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:27,430 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:27,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:27,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:27,644 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:27,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:27,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1731638989, now seen corresponding path program 1 times [2021-10-13 00:53:27,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:27,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842975860] [2021-10-13 00:53:27,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:27,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-10-13 00:53:27,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:27,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842975860] [2021-10-13 00:53:27,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842975860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:27,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:27,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:27,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564412434] [2021-10-13 00:53:27,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:27,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:27,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:27,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:27,717 INFO L87 Difference]: Start difference. First operand 1604 states and 2362 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:27,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:27,954 INFO L93 Difference]: Finished difference Result 3395 states and 5017 transitions. [2021-10-13 00:53:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:27,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2021-10-13 00:53:27,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:27,967 INFO L225 Difference]: With dead ends: 3395 [2021-10-13 00:53:27,967 INFO L226 Difference]: Without dead ends: 1679 [2021-10-13 00:53:27,972 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:27,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2021-10-13 00:53:28,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1679. [2021-10-13 00:53:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1679 states, 1678 states have (on average 1.4463647199046483) internal successors, (2427), 1678 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2427 transitions. [2021-10-13 00:53:28,110 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2427 transitions. Word has length 241 [2021-10-13 00:53:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:28,111 INFO L470 AbstractCegarLoop]: Abstraction has 1679 states and 2427 transitions. [2021-10-13 00:53:28,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2427 transitions. [2021-10-13 00:53:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-13 00:53:28,120 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:28,120 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:28,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-13 00:53:28,121 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:28,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:28,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1272517136, now seen corresponding path program 1 times [2021-10-13 00:53:28,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:28,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200022101] [2021-10-13 00:53:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:28,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 00:53:28,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:28,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200022101] [2021-10-13 00:53:28,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200022101] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:28,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735175732] [2021-10-13 00:53:28,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:28,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:28,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:28,220 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:53:28,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 00:53:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:28,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:53:28,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-13 00:53:29,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735175732] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:29,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:53:29,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 00:53:29,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372552298] [2021-10-13 00:53:29,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:29,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:29,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:29,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:29,152 INFO L87 Difference]: Start difference. First operand 1679 states and 2427 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:29,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:29,653 INFO L93 Difference]: Finished difference Result 5320 states and 7733 transitions. [2021-10-13 00:53:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:29,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-13 00:53:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:29,681 INFO L225 Difference]: With dead ends: 5320 [2021-10-13 00:53:29,682 INFO L226 Difference]: Without dead ends: 3649 [2021-10-13 00:53:29,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:29,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2021-10-13 00:53:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 2004. [2021-10-13 00:53:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2004 states, 2003 states have (on average 1.36245631552671) internal successors, (2729), 2003 states have internal predecessors, (2729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2729 transitions. [2021-10-13 00:53:29,820 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2729 transitions. Word has length 253 [2021-10-13 00:53:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:29,821 INFO L470 AbstractCegarLoop]: Abstraction has 2004 states and 2729 transitions. [2021-10-13 00:53:29,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2729 transitions. [2021-10-13 00:53:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-13 00:53:29,830 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:29,830 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:29,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:30,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:30,046 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:30,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:30,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1561336526, now seen corresponding path program 1 times [2021-10-13 00:53:30,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:30,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261452144] [2021-10-13 00:53:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:30,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-10-13 00:53:30,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:30,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261452144] [2021-10-13 00:53:30,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261452144] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:30,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:30,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:30,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046261302] [2021-10-13 00:53:30,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:30,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:30,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:30,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:30,133 INFO L87 Difference]: Start difference. First operand 2004 states and 2729 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:30,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:30,311 INFO L93 Difference]: Finished difference Result 5742 states and 7864 transitions. [2021-10-13 00:53:30,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:30,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-13 00:53:30,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:30,400 INFO L225 Difference]: With dead ends: 5742 [2021-10-13 00:53:30,400 INFO L226 Difference]: Without dead ends: 3746 [2021-10-13 00:53:30,404 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2021-10-13 00:53:30,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3744. [2021-10-13 00:53:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 3743 states have (on average 1.371627037135987) internal successors, (5134), 3743 states have internal predecessors, (5134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5134 transitions. [2021-10-13 00:53:30,612 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5134 transitions. Word has length 253 [2021-10-13 00:53:30,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:30,613 INFO L470 AbstractCegarLoop]: Abstraction has 3744 states and 5134 transitions. [2021-10-13 00:53:30,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5134 transitions. [2021-10-13 00:53:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-10-13 00:53:30,625 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:30,627 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:30,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-13 00:53:30,628 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:30,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:30,628 INFO L82 PathProgramCache]: Analyzing trace with hash -914284920, now seen corresponding path program 1 times [2021-10-13 00:53:30,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:30,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905174100] [2021-10-13 00:53:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:30,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-13 00:53:30,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:30,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905174100] [2021-10-13 00:53:30,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905174100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:30,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:30,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:30,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38897591] [2021-10-13 00:53:30,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:30,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:30,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:30,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:30,712 INFO L87 Difference]: Start difference. First operand 3744 states and 5134 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:31,062 INFO L93 Difference]: Finished difference Result 7698 states and 10554 transitions. [2021-10-13 00:53:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:31,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 256 [2021-10-13 00:53:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:31,081 INFO L225 Difference]: With dead ends: 7698 [2021-10-13 00:53:31,081 INFO L226 Difference]: Without dead ends: 3962 [2021-10-13 00:53:31,087 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:31,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2021-10-13 00:53:31,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3744. [2021-10-13 00:53:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 3743 states have (on average 1.3438418380977826) internal successors, (5030), 3743 states have internal predecessors, (5030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5030 transitions. [2021-10-13 00:53:31,316 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5030 transitions. Word has length 256 [2021-10-13 00:53:31,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:31,317 INFO L470 AbstractCegarLoop]: Abstraction has 3744 states and 5030 transitions. [2021-10-13 00:53:31,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5030 transitions. [2021-10-13 00:53:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-10-13 00:53:31,331 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:31,331 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:31,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-13 00:53:31,332 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:31,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:31,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1357789354, now seen corresponding path program 1 times [2021-10-13 00:53:31,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:31,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119030648] [2021-10-13 00:53:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:31,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-10-13 00:53:31,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:31,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119030648] [2021-10-13 00:53:31,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119030648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:31,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:31,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:31,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639280888] [2021-10-13 00:53:31,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:31,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:31,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:31,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:31,401 INFO L87 Difference]: Start difference. First operand 3744 states and 5030 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:31,713 INFO L93 Difference]: Finished difference Result 7612 states and 10230 transitions. [2021-10-13 00:53:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:31,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290 [2021-10-13 00:53:31,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:31,726 INFO L225 Difference]: With dead ends: 7612 [2021-10-13 00:53:31,726 INFO L226 Difference]: Without dead ends: 3876 [2021-10-13 00:53:31,733 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:31,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2021-10-13 00:53:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3836. [2021-10-13 00:53:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 3835 states have (on average 1.3408083441981746) internal successors, (5142), 3835 states have internal predecessors, (5142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5142 transitions. [2021-10-13 00:53:31,931 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5142 transitions. Word has length 290 [2021-10-13 00:53:31,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:31,932 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5142 transitions. [2021-10-13 00:53:31,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5142 transitions. [2021-10-13 00:53:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-10-13 00:53:31,946 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:31,947 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:31,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-13 00:53:31,948 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:31,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:31,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1702375352, now seen corresponding path program 1 times [2021-10-13 00:53:31,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:31,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114773593] [2021-10-13 00:53:31,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:31,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2021-10-13 00:53:32,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:32,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114773593] [2021-10-13 00:53:32,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114773593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:32,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:32,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:32,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020654240] [2021-10-13 00:53:32,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:32,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:32,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:32,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:32,020 INFO L87 Difference]: Start difference. First operand 3836 states and 5142 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:32,313 INFO L93 Difference]: Finished difference Result 8044 states and 10852 transitions. [2021-10-13 00:53:32,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:32,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 311 [2021-10-13 00:53:32,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:32,325 INFO L225 Difference]: With dead ends: 8044 [2021-10-13 00:53:32,326 INFO L226 Difference]: Without dead ends: 4216 [2021-10-13 00:53:32,332 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:32,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4216 states. [2021-10-13 00:53:32,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4216 to 4086. [2021-10-13 00:53:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4086 states, 4085 states have (on average 1.3321909424724603) internal successors, (5442), 4085 states have internal predecessors, (5442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4086 states to 4086 states and 5442 transitions. [2021-10-13 00:53:32,523 INFO L78 Accepts]: Start accepts. Automaton has 4086 states and 5442 transitions. Word has length 311 [2021-10-13 00:53:32,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:32,524 INFO L470 AbstractCegarLoop]: Abstraction has 4086 states and 5442 transitions. [2021-10-13 00:53:32,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 5442 transitions. [2021-10-13 00:53:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-13 00:53:32,539 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:32,540 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:32,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-13 00:53:32,540 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:32,541 INFO L82 PathProgramCache]: Analyzing trace with hash 602793911, now seen corresponding path program 1 times [2021-10-13 00:53:32,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:32,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611586380] [2021-10-13 00:53:32,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:32,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-10-13 00:53:32,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:32,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611586380] [2021-10-13 00:53:32,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611586380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:32,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:32,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:32,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622463364] [2021-10-13 00:53:32,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:32,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:32,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:32,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:32,625 INFO L87 Difference]: Start difference. First operand 4086 states and 5442 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:32,842 INFO L93 Difference]: Finished difference Result 6855 states and 9019 transitions. [2021-10-13 00:53:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:32,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 321 [2021-10-13 00:53:32,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:32,849 INFO L225 Difference]: With dead ends: 6855 [2021-10-13 00:53:32,849 INFO L226 Difference]: Without dead ends: 2133 [2021-10-13 00:53:32,856 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2021-10-13 00:53:32,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2133. [2021-10-13 00:53:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.301125703564728) internal successors, (2774), 2132 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2774 transitions. [2021-10-13 00:53:32,981 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2774 transitions. Word has length 321 [2021-10-13 00:53:32,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:32,982 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2774 transitions. [2021-10-13 00:53:32,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2774 transitions. [2021-10-13 00:53:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-10-13 00:53:32,992 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:32,994 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:32,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-13 00:53:32,994 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:32,995 INFO L82 PathProgramCache]: Analyzing trace with hash -616309997, now seen corresponding path program 1 times [2021-10-13 00:53:32,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:32,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927881638] [2021-10-13 00:53:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:32,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2021-10-13 00:53:33,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:33,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927881638] [2021-10-13 00:53:33,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927881638] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:33,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:33,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:33,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489781197] [2021-10-13 00:53:33,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:33,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:33,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:33,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:33,077 INFO L87 Difference]: Start difference. First operand 2133 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:33,279 INFO L93 Difference]: Finished difference Result 4298 states and 5601 transitions. [2021-10-13 00:53:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:33,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2021-10-13 00:53:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:33,286 INFO L225 Difference]: With dead ends: 4298 [2021-10-13 00:53:33,286 INFO L226 Difference]: Without dead ends: 2173 [2021-10-13 00:53:33,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:33,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-10-13 00:53:33,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2133. [2021-10-13 00:53:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.2823639774859288) internal successors, (2734), 2132 states have internal predecessors, (2734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2734 transitions. [2021-10-13 00:53:33,383 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2734 transitions. Word has length 337 [2021-10-13 00:53:33,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:33,384 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2734 transitions. [2021-10-13 00:53:33,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2734 transitions. [2021-10-13 00:53:33,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-10-13 00:53:33,395 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:33,396 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:33,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-13 00:53:33,396 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:33,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:33,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1063549815, now seen corresponding path program 1 times [2021-10-13 00:53:33,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:33,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744201781] [2021-10-13 00:53:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:33,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-10-13 00:53:33,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:33,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744201781] [2021-10-13 00:53:33,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744201781] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:33,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:33,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:33,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868178511] [2021-10-13 00:53:33,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:33,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:33,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:33,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:33,493 INFO L87 Difference]: Start difference. First operand 2133 states and 2734 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:33,731 INFO L93 Difference]: Finished difference Result 4268 states and 5466 transitions. [2021-10-13 00:53:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:33,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 360 [2021-10-13 00:53:33,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:33,737 INFO L225 Difference]: With dead ends: 4268 [2021-10-13 00:53:33,738 INFO L226 Difference]: Without dead ends: 2143 [2021-10-13 00:53:33,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2021-10-13 00:53:33,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2133. [2021-10-13 00:53:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.2636022514071295) internal successors, (2694), 2132 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2694 transitions. [2021-10-13 00:53:33,829 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2694 transitions. Word has length 360 [2021-10-13 00:53:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:33,830 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2694 transitions. [2021-10-13 00:53:33,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2694 transitions. [2021-10-13 00:53:33,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-10-13 00:53:33,843 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:33,844 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:33,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-13 00:53:33,844 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:33,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:33,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2107174257, now seen corresponding path program 1 times [2021-10-13 00:53:33,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:33,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306809680] [2021-10-13 00:53:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:33,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-13 00:53:33,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:33,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306809680] [2021-10-13 00:53:33,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306809680] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:33,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793431244] [2021-10-13 00:53:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:33,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:33,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:33,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:53:33,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 00:53:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:34,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:53:34,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2021-10-13 00:53:35,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793431244] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:35,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:53:35,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-13 00:53:35,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294792828] [2021-10-13 00:53:35,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:35,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:35,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:35,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:35,886 INFO L87 Difference]: Start difference. First operand 2133 states and 2694 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:35,996 INFO L93 Difference]: Finished difference Result 2711 states and 3448 transitions. [2021-10-13 00:53:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:35,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2021-10-13 00:53:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:36,005 INFO L225 Difference]: With dead ends: 2711 [2021-10-13 00:53:36,005 INFO L226 Difference]: Without dead ends: 2573 [2021-10-13 00:53:36,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:36,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2021-10-13 00:53:36,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1997. [2021-10-13 00:53:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1997 states, 1996 states have (on average 1.2725450901803608) internal successors, (2540), 1996 states have internal predecessors, (2540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2540 transitions. [2021-10-13 00:53:36,123 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2540 transitions. Word has length 393 [2021-10-13 00:53:36,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:36,124 INFO L470 AbstractCegarLoop]: Abstraction has 1997 states and 2540 transitions. [2021-10-13 00:53:36,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2540 transitions. [2021-10-13 00:53:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-10-13 00:53:36,133 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:36,137 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:36,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:36,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:36,351 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:36,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:36,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2021892229, now seen corresponding path program 1 times [2021-10-13 00:53:36,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:36,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9190804] [2021-10-13 00:53:36,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:36,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-10-13 00:53:36,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:36,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9190804] [2021-10-13 00:53:36,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9190804] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:36,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860225351] [2021-10-13 00:53:36,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:36,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:36,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:36,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:53:36,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 00:53:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:37,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:53:37,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1704 backedges. 1045 proven. 26 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-10-13 00:53:38,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860225351] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:38,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:53:38,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 00:53:38,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051699130] [2021-10-13 00:53:38,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:38,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:38,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:38,362 INFO L87 Difference]: Start difference. First operand 1997 states and 2540 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:38,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:38,808 INFO L93 Difference]: Finished difference Result 5016 states and 6404 transitions. [2021-10-13 00:53:38,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:53:38,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 409 [2021-10-13 00:53:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:38,817 INFO L225 Difference]: With dead ends: 5016 [2021-10-13 00:53:38,817 INFO L226 Difference]: Without dead ends: 2985 [2021-10-13 00:53:38,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2021-10-13 00:53:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2157. [2021-10-13 00:53:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2156 states have (on average 1.280148423005566) internal successors, (2760), 2156 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2760 transitions. [2021-10-13 00:53:38,930 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2760 transitions. Word has length 409 [2021-10-13 00:53:38,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:38,931 INFO L470 AbstractCegarLoop]: Abstraction has 2157 states and 2760 transitions. [2021-10-13 00:53:38,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2760 transitions. [2021-10-13 00:53:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-10-13 00:53:38,939 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:38,940 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:38,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:39,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-10-13 00:53:39,156 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:39,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1865506571, now seen corresponding path program 1 times [2021-10-13 00:53:39,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:39,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064609849] [2021-10-13 00:53:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:39,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2021-10-13 00:53:39,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:39,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064609849] [2021-10-13 00:53:39,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064609849] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:39,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:39,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:39,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77659918] [2021-10-13 00:53:39,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:39,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:39,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:39,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:39,279 INFO L87 Difference]: Start difference. First operand 2157 states and 2760 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:39,483 INFO L93 Difference]: Finished difference Result 4486 states and 5763 transitions. [2021-10-13 00:53:39,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:39,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 471 [2021-10-13 00:53:39,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:39,490 INFO L225 Difference]: With dead ends: 4486 [2021-10-13 00:53:39,490 INFO L226 Difference]: Without dead ends: 2337 [2021-10-13 00:53:39,494 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2021-10-13 00:53:39,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2327. [2021-10-13 00:53:39,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2326 states have (on average 1.2704213241616509) internal successors, (2955), 2326 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:39,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 2955 transitions. [2021-10-13 00:53:39,594 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 2955 transitions. Word has length 471 [2021-10-13 00:53:39,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:39,595 INFO L470 AbstractCegarLoop]: Abstraction has 2327 states and 2955 transitions. [2021-10-13 00:53:39,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2955 transitions. [2021-10-13 00:53:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-10-13 00:53:39,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:39,605 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:39,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-13 00:53:39,605 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:39,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:39,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1625661125, now seen corresponding path program 1 times [2021-10-13 00:53:39,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:39,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852542788] [2021-10-13 00:53:39,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:39,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2021-10-13 00:53:39,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:39,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852542788] [2021-10-13 00:53:39,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852542788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:39,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:39,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:53:39,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6194981] [2021-10-13 00:53:39,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:53:39,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:53:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:39,764 INFO L87 Difference]: Start difference. First operand 2327 states and 2955 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:39,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:39,975 INFO L93 Difference]: Finished difference Result 4641 states and 5888 transitions. [2021-10-13 00:53:39,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:39,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 533 [2021-10-13 00:53:39,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:39,982 INFO L225 Difference]: With dead ends: 4641 [2021-10-13 00:53:39,982 INFO L226 Difference]: Without dead ends: 2322 [2021-10-13 00:53:39,986 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:53:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2021-10-13 00:53:40,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2322. [2021-10-13 00:53:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2322 states, 2321 states have (on average 1.2429987074536837) internal successors, (2885), 2321 states have internal predecessors, (2885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2885 transitions. [2021-10-13 00:53:40,093 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2885 transitions. Word has length 533 [2021-10-13 00:53:40,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:40,094 INFO L470 AbstractCegarLoop]: Abstraction has 2322 states and 2885 transitions. [2021-10-13 00:53:40,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2885 transitions. [2021-10-13 00:53:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-10-13 00:53:40,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:40,105 INFO L512 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:53:40,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-13 00:53:40,106 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:53:40,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:40,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1600887189, now seen corresponding path program 1 times [2021-10-13 00:53:40,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:53:40,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810908198] [2021-10-13 00:53:40,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:40,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:53:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-13 00:53:40,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:53:40,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810908198] [2021-10-13 00:53:40,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810908198] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:40,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368472228] [2021-10-13 00:53:40,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:40,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:53:40,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:40,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:53:40,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 00:53:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:41,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:53:41,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4009 backedges. 2315 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-10-13 00:53:42,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368472228] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:53:42,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:53:42,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-13 00:53:42,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314787241] [2021-10-13 00:53:42,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:42,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:53:42,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:42,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:42,672 INFO L87 Difference]: Start difference. First operand 2322 states and 2885 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:42,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:42,894 INFO L93 Difference]: Finished difference Result 3917 states and 4895 transitions. [2021-10-13 00:53:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:53:42,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 599 [2021-10-13 00:53:42,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:42,897 INFO L225 Difference]: With dead ends: 3917 [2021-10-13 00:53:42,897 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:53:42,901 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:53:42,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:53:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:53:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:42,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:53:42,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2021-10-13 00:53:42,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:42,903 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:53:42,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:53:42,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:53:42,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:42,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:43,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-13 00:53:43,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:53:43,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:43,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:43,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:43,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:43,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:44,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:45,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:46,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:56,068 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 537) no Hoare annotation was computed. [2021-10-13 00:53:56,069 INFO L857 garLoopResultBuilder]: For program point L531-1(lines 531 537) no Hoare annotation was computed. [2021-10-13 00:53:56,069 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 368) no Hoare annotation was computed. [2021-10-13 00:53:56,069 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 368) no Hoare annotation was computed. [2021-10-13 00:53:56,069 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 547) no Hoare annotation was computed. [2021-10-13 00:53:56,070 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 558) no Hoare annotation was computed. [2021-10-13 00:53:56,070 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 569) no Hoare annotation was computed. [2021-10-13 00:53:56,070 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 580) no Hoare annotation was computed. [2021-10-13 00:53:56,070 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2021-10-13 00:53:56,070 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-10-13 00:53:56,071 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 365) no Hoare annotation was computed. [2021-10-13 00:53:56,071 INFO L853 garLoopResultBuilder]: At program point L203(lines 199 548) the Hoare annotation is: (let ((.cse0 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1) (and .cse0 .cse2 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse2 .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2021-10-13 00:53:56,071 INFO L853 garLoopResultBuilder]: At program point L104(lines 103 580) the Hoare annotation is: false [2021-10-13 00:53:56,072 INFO L860 garLoopResultBuilder]: At program point L600(lines 99 601) the Hoare annotation is: true [2021-10-13 00:53:56,072 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 536) no Hoare annotation was computed. [2021-10-13 00:53:56,072 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 546) no Hoare annotation was computed. [2021-10-13 00:53:56,072 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 557) no Hoare annotation was computed. [2021-10-13 00:53:56,073 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 568) no Hoare annotation was computed. [2021-10-13 00:53:56,073 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 579) no Hoare annotation was computed. [2021-10-13 00:53:56,073 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2021-10-13 00:53:56,073 INFO L857 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2021-10-13 00:53:56,073 INFO L853 garLoopResultBuilder]: At program point L206(lines 205 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-13 00:53:56,074 INFO L853 garLoopResultBuilder]: At program point L173(lines 169 558) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,074 INFO L853 garLoopResultBuilder]: At program point L140(lines 136 569) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-13 00:53:56,075 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 363) no Hoare annotation was computed. [2021-10-13 00:53:56,075 INFO L853 garLoopResultBuilder]: At program point L208(lines 207 546) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-13 00:53:56,075 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 556) no Hoare annotation was computed. [2021-10-13 00:53:56,075 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 567) no Hoare annotation was computed. [2021-10-13 00:53:56,076 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 578) no Hoare annotation was computed. [2021-10-13 00:53:56,076 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 607) no Hoare annotation was computed. [2021-10-13 00:53:56,076 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 607) no Hoare annotation was computed. [2021-10-13 00:53:56,076 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 509) no Hoare annotation was computed. [2021-10-13 00:53:56,076 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2021-10-13 00:53:56,077 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 209 543) no Hoare annotation was computed. [2021-10-13 00:53:56,077 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 443) no Hoare annotation was computed. [2021-10-13 00:53:56,077 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 311) no Hoare annotation was computed. [2021-10-13 00:53:56,077 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-10-13 00:53:56,077 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2021-10-13 00:53:56,078 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 254) no Hoare annotation was computed. [2021-10-13 00:53:56,078 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 555) no Hoare annotation was computed. [2021-10-13 00:53:56,078 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 566) no Hoare annotation was computed. [2021-10-13 00:53:56,078 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 577) no Hoare annotation was computed. [2021-10-13 00:53:56,079 INFO L857 garLoopResultBuilder]: For program point L476(lines 476 478) no Hoare annotation was computed. [2021-10-13 00:53:56,079 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 409) no Hoare annotation was computed. [2021-10-13 00:53:56,079 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 248) no Hoare annotation was computed. [2021-10-13 00:53:56,079 INFO L853 garLoopResultBuilder]: At program point L212(lines 106 579) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse0 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2))) [2021-10-13 00:53:56,080 INFO L853 garLoopResultBuilder]: At program point L179(lines 175 556) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,080 INFO L853 garLoopResultBuilder]: At program point L146(lines 142 567) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,080 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 453) no Hoare annotation was computed. [2021-10-13 00:53:56,081 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 384) no Hoare annotation was computed. [2021-10-13 00:53:56,081 INFO L860 garLoopResultBuilder]: At program point L610(lines 12 612) the Hoare annotation is: true [2021-10-13 00:53:56,081 INFO L853 garLoopResultBuilder]: At program point L544(lines 100 599) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse29 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse6 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not .cse27)) (.cse12 (not .cse29)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse15 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse11 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse24 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse23 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse19 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse25 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse28 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse16 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse17 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse22 (not .cse10)) (.cse14 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse17 .cse1 .cse18) (and .cse19 .cse20) (and .cse11 .cse21 .cse22 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse23 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse24 .cse18 .cse19) (and .cse21 .cse20) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse10 .cse17 .cse25 .cse26) (and .cse4 .cse5 .cse24 .cse6 .cse7 .cse9 .cse0 .cse13 .cse15 .cse25) (and .cse27 .cse10 .cse14) (and .cse4 .cse5 .cse28 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse28 .cse19) (and .cse10 .cse14 .cse29) (and .cse24 .cse10 .cse18 .cse14) (and .cse1 .cse2 .cse3 .cse18 .cse14) (and .cse0 .cse20) (and .cse0 .cse23) (and .cse4 .cse5 .cse24 .cse7 .cse9 .cse13 .cse15 .cse25 .cse19) (and .cse1 .cse2 .cse22 .cse3 .cse14) (and .cse10 .cse1 .cse2 .cse3 .cse19) (and .cse11 .cse3 .cse19) (and .cse24 .cse0 .cse18) (and .cse23 .cse19) (and .cse21 .cse22 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25 .cse26) (and .cse28 .cse0) (and .cse16 .cse17 .cse1 .cse22) (and .cse14 .cse20)))) [2021-10-13 00:53:56,082 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 554) no Hoare annotation was computed. [2021-10-13 00:53:56,082 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 565) no Hoare annotation was computed. [2021-10-13 00:53:56,082 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 576) no Hoare annotation was computed. [2021-10-13 00:53:56,082 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-10-13 00:53:56,083 INFO L857 garLoopResultBuilder]: For program point L479-2(lines 479 483) no Hoare annotation was computed. [2021-10-13 00:53:56,083 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-10-13 00:53:56,083 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 516) no Hoare annotation was computed. [2021-10-13 00:53:56,083 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 450) no Hoare annotation was computed. [2021-10-13 00:53:56,084 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2021-10-13 00:53:56,084 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 553) no Hoare annotation was computed. [2021-10-13 00:53:56,084 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 564) no Hoare annotation was computed. [2021-10-13 00:53:56,084 INFO L857 garLoopResultBuilder]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2021-10-13 00:53:56,084 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 575) no Hoare annotation was computed. [2021-10-13 00:53:56,085 INFO L857 garLoopResultBuilder]: For program point L581(lines 581 597) no Hoare annotation was computed. [2021-10-13 00:53:56,085 INFO L853 garLoopResultBuilder]: At program point L515(lines 73 611) the Hoare annotation is: false [2021-10-13 00:53:56,085 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:53:56,085 INFO L853 garLoopResultBuilder]: At program point L185(lines 181 554) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2021-10-13 00:53:56,086 INFO L853 garLoopResultBuilder]: At program point L152(lines 148 565) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,086 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 88) no Hoare annotation was computed. [2021-10-13 00:53:56,086 INFO L857 garLoopResultBuilder]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2021-10-13 00:53:56,086 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 596) no Hoare annotation was computed. [2021-10-13 00:53:56,087 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 359) no Hoare annotation was computed. [2021-10-13 00:53:56,087 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 588) no Hoare annotation was computed. [2021-10-13 00:53:56,087 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 519) no Hoare annotation was computed. [2021-10-13 00:53:56,087 INFO L857 garLoopResultBuilder]: For program point L583-2(lines 582 596) no Hoare annotation was computed. [2021-10-13 00:53:56,088 INFO L853 garLoopResultBuilder]: At program point L352(lines 328 370) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,088 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 552) no Hoare annotation was computed. [2021-10-13 00:53:56,088 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 563) no Hoare annotation was computed. [2021-10-13 00:53:56,088 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 574) no Hoare annotation was computed. [2021-10-13 00:53:56,089 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 421) no Hoare annotation was computed. [2021-10-13 00:53:56,089 INFO L853 garLoopResultBuilder]: At program point L386(lines 377 409) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-13 00:53:56,089 INFO L853 garLoopResultBuilder]: At program point L122(lines 118 575) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse5 .cse6 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-13 00:53:56,089 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 587) no Hoare annotation was computed. [2021-10-13 00:53:56,090 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 356) no Hoare annotation was computed. [2021-10-13 00:53:56,090 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 290) no Hoare annotation was computed. [2021-10-13 00:53:56,090 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-13 00:53:56,090 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 209 543) no Hoare annotation was computed. [2021-10-13 00:53:56,090 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 326) no Hoare annotation was computed. [2021-10-13 00:53:56,091 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:53:56,091 INFO L857 garLoopResultBuilder]: For program point L322-2(lines 209 543) no Hoare annotation was computed. [2021-10-13 00:53:56,091 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 551) no Hoare annotation was computed. [2021-10-13 00:53:56,091 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 562) no Hoare annotation was computed. [2021-10-13 00:53:56,092 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 573) no Hoare annotation was computed. [2021-10-13 00:53:56,092 INFO L857 garLoopResultBuilder]: For program point L91(lines 91 95) no Hoare annotation was computed. [2021-10-13 00:53:56,092 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 73 611) no Hoare annotation was computed. [2021-10-13 00:53:56,092 INFO L857 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-10-13 00:53:56,092 INFO L857 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-10-13 00:53:56,093 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 407) no Hoare annotation was computed. [2021-10-13 00:53:56,093 INFO L853 garLoopResultBuilder]: At program point L191(lines 187 552) the Hoare annotation is: (let ((.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse5 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse4 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse6 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-13 00:53:56,093 INFO L853 garLoopResultBuilder]: At program point L158(lines 154 563) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-13 00:53:56,094 INFO L853 garLoopResultBuilder]: At program point L125(lines 124 573) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,094 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 94) no Hoare annotation was computed. [2021-10-13 00:53:56,094 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 492) no Hoare annotation was computed. [2021-10-13 00:53:56,094 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 396) no Hoare annotation was computed. [2021-10-13 00:53:56,094 INFO L860 garLoopResultBuilder]: At program point L622(lines 613 624) the Hoare annotation is: true [2021-10-13 00:53:56,095 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 550) no Hoare annotation was computed. [2021-10-13 00:53:56,095 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 561) no Hoare annotation was computed. [2021-10-13 00:53:56,095 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 572) no Hoare annotation was computed. [2021-10-13 00:53:56,095 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:53:56,095 INFO L857 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2021-10-13 00:53:56,096 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 460) no Hoare annotation was computed. [2021-10-13 00:53:56,096 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2021-10-13 00:53:56,096 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 238) no Hoare annotation was computed. [2021-10-13 00:53:56,096 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 209 543) no Hoare annotation was computed. [2021-10-13 00:53:56,096 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2021-10-13 00:53:56,097 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2021-10-13 00:53:56,097 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 427 435) no Hoare annotation was computed. [2021-10-13 00:53:56,097 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-10-13 00:53:56,097 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 549) no Hoare annotation was computed. [2021-10-13 00:53:56,098 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 560) no Hoare annotation was computed. [2021-10-13 00:53:56,098 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 571) no Hoare annotation was computed. [2021-10-13 00:53:56,098 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 500) no Hoare annotation was computed. [2021-10-13 00:53:56,098 INFO L853 garLoopResultBuilder]: At program point L197(lines 193 550) the Hoare annotation is: (let ((.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse3) (and .cse0 .cse1 .cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse4) (and .cse0 .cse2 .cse1 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-13 00:53:56,099 INFO L853 garLoopResultBuilder]: At program point L164(lines 160 561) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-13 00:53:56,099 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:53:56,099 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 609) no Hoare annotation was computed. [2021-10-13 00:53:56,099 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 433) no Hoare annotation was computed. [2021-10-13 00:53:56,100 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 369) no Hoare annotation was computed. [2021-10-13 00:53:56,100 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 548) no Hoare annotation was computed. [2021-10-13 00:53:56,100 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 559) no Hoare annotation was computed. [2021-10-13 00:53:56,100 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 570) no Hoare annotation was computed. [2021-10-13 00:53:56,101 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 599) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse29 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse6 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not .cse27)) (.cse12 (not .cse29)) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse15 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse11 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse24 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse18 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse23 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse19 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse21 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse25 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse26 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse28 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse16 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse17 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse22 (not .cse10)) (.cse14 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse17 .cse1 .cse18) (and .cse19 .cse20) (and .cse11 .cse21 .cse22 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse23 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse24 .cse18 .cse19) (and .cse21 .cse20) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse10 .cse17 .cse25 .cse26) (and .cse4 .cse5 .cse24 .cse6 .cse7 .cse9 .cse0 .cse13 .cse15 .cse25) (and .cse27 .cse10 .cse14) (and .cse4 .cse5 .cse28 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse18 .cse14 .cse15) (and .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse28 .cse19) (and .cse10 .cse14 .cse29) (and .cse24 .cse10 .cse18 .cse14) (and .cse1 .cse2 .cse3 .cse18 .cse14) (and .cse0 .cse20) (and .cse0 .cse23) (and .cse4 .cse5 .cse24 .cse7 .cse9 .cse13 .cse15 .cse25 .cse19) (and .cse1 .cse2 .cse22 .cse3 .cse14) (and .cse10 .cse1 .cse2 .cse3 .cse19) (and .cse11 .cse3 .cse19) (and .cse24 .cse0 .cse18) (and .cse23 .cse19) (and .cse21 .cse22 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse25 .cse26) (and .cse28 .cse0) (and .cse16 .cse17 .cse1 .cse22) (and .cse14 .cse20)))) [2021-10-13 00:53:56,101 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-10-13 00:53:56,101 INFO L857 garLoopResultBuilder]: For program point L497-2(lines 209 543) no Hoare annotation was computed. [2021-10-13 00:53:56,102 INFO L853 garLoopResultBuilder]: At program point L398(lines 389 407) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8))) [2021-10-13 00:53:56,102 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 236) no Hoare annotation was computed. [2021-10-13 00:53:56,102 INFO L853 garLoopResultBuilder]: At program point L167(lines 166 559) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 .cse2) (and .cse0 .cse3 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse1 .cse2) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse1 .cse2) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse0) (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse1 .cse2) (and .cse3 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse2))) [2021-10-13 00:53:56,102 INFO L853 garLoopResultBuilder]: At program point L134(lines 127 572) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10))) [2021-10-13 00:53:56,103 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-13 00:53:56,108 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:53:56,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:56 BoogieIcfgContainer [2021-10-13 00:53:56,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:53:56,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:53:56,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:53:56,165 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:53:56,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:18" (3/4) ... [2021-10-13 00:53:56,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:53:56,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:53:56,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:53:56,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:53:56,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:53:56,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:53:56,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:53:56,327 INFO L168 Benchmark]: Toolchain (without parser) took 39723.40 ms. Allocated memory was 96.5 MB in the beginning and 432.0 MB in the end (delta: 335.5 MB). Free memory was 62.6 MB in the beginning and 192.8 MB in the end (delta: -130.1 MB). Peak memory consumption was 204.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,328 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:56,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.80 ms. Allocated memory is still 96.5 MB. Free memory was 62.4 MB in the beginning and 67.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.14 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 64.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,329 INFO L168 Benchmark]: Boogie Preprocessor took 100.84 ms. Allocated memory is still 96.5 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,330 INFO L168 Benchmark]: RCFGBuilder took 1093.46 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.2 MB in the beginning and 81.9 MB in the end (delta: -19.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,331 INFO L168 Benchmark]: TraceAbstraction took 37721.49 ms. Allocated memory was 117.4 MB in the beginning and 432.0 MB in the end (delta: 314.6 MB). Free memory was 81.9 MB in the beginning and 206.4 MB in the end (delta: -124.5 MB). Peak memory consumption was 268.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,331 INFO L168 Benchmark]: Witness Printer took 161.52 ms. Allocated memory is still 432.0 MB. Free memory was 206.4 MB in the beginning and 192.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:56,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.80 ms. Allocated memory is still 96.5 MB. Free memory was 62.4 MB in the beginning and 67.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.14 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 64.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.84 ms. Allocated memory is still 96.5 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1093.46 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 62.2 MB in the beginning and 81.9 MB in the end (delta: -19.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37721.49 ms. Allocated memory was 117.4 MB in the beginning and 432.0 MB in the end (delta: 314.6 MB). Free memory was 81.9 MB in the beginning and 206.4 MB in the end (delta: -124.5 MB). Peak memory consumption was 268.7 MB. Max. memory is 16.1 GB. * Witness Printer took 161.52 ms. Allocated memory is still 432.0 MB. Free memory was 206.4 MB in the beginning and 192.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 609]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37578.1ms, OverallIterations: 35, TraceHistogramMax: 19, EmptinessCheckTime: 238.2ms, AutomataDifference: 8455.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 12943.3ms, InitialAbstractionConstructionTime: 20.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6694 SDtfs, 4128 SDslu, 3183 SDs, 0 SdLazy, 3455 SolverSat, 958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3563.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1999 GetRequests, 1954 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 129.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4086occurred in iteration=27, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2884.0ms AutomataMinimizationTime, 35 MinimizatonAttempts, 4500 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 241 NumberOfFragments, 3241 HoareAnnotationTreeSize, 28 FomulaSimplifications, 154560 FormulaSimplificationTreeSizeReduction, 3173.2ms HoareSimplificationTime, 28 FomulaSimplificationsInter, 31171 FormulaSimplificationTreeSizeReductionInter, 9745.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 330.4ms SsaConstructionTime, 1200.5ms SatisfiabilityAnalysisTime, 8166.2ms InterpolantComputationTime, 9249 NumberOfCodeBlocks, 9249 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 9209 ConstructedInterpolants, 0 QuantifiedInterpolants, 12714 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3115 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 40 InterpolantComputations, 31 PerfectInterpolantSequences, 30536/30750 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((((s__s3__tmp__next_state___0 <= 8576 && !(8448 == s__state)) && blastFlag == 1) && s__state <= 8448) || (((blastFlag == 0 && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && s__state <= 8448)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && s__state <= 8448) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && s__state == 8528) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag == 1 && s__state <= 3)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8544 && s__hit == 0) && 2 == blastFlag)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8592) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8512) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (s__state == 8592 && blastFlag == 1)) || ((s__hit == 0 && 2 == blastFlag) && 8560 == s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (blastFlag == 0 && s__state <= 3)) || (blastFlag == 0 && s__state == 8608)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || ((((s__hit == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8608 && blastFlag == 1)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (s__state == 8592 && blastFlag == 0)) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && !(s__hit == 0))) || (2 == blastFlag && s__state <= 3) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8672) && s__state <= 8672) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag) || (((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && 8640 <= s__state)) || ((((!(s__state == 8672) && s__state <= 8672) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((!(s__state == 8672) && s__hit == 0) && s__state <= 8672) && 8640 <= s__state) && blastFlag == 1) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) || (((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && 8640 <= s__state) && blastFlag == 1)) || ((((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || ((((((!(s__state == 8672) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || (((((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && 8640 <= s__state) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((!(8497 == s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || ((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag == 0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) || (((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || ((((((((((!(s__state == 8480) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: ((((8672 <= s__state && blastFlag == 0) && !(12292 == s__state)) || (((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) && s__s3__tmp__next_state___0 <= 8576)) || ((8672 <= s__state && !(12292 == s__state)) && blastFlag == 1)) || (((8672 <= s__state && blastFlag <= 3) && !(12292 == s__state)) && !(s__hit == 0)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && s__state == 8608) || (s__state == 8608 && blastFlag == 1)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state)) && 8448 <= s__state) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && s__state == 8528) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag == 1 && s__state <= 3)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8544 && s__hit == 0) && 2 == blastFlag)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8592) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag) && !(8448 == s__state))) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state == 8512) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && 2 == blastFlag) && !(8448 == s__state))) || (s__state == 8592 && blastFlag == 1)) || ((s__hit == 0 && 2 == blastFlag) && 8560 == s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || ((((s__state <= 8672 && !(s__state == 8657)) && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && 2 == blastFlag)) || (blastFlag == 0 && s__state <= 3)) || (blastFlag == 0 && s__state == 8608)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8640 <= s__state) && 2 == blastFlag)) || ((((s__hit == 0 && s__state <= 8672) && !(s__state == 8657)) && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8608 && blastFlag == 1)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (s__state == 8592 && blastFlag == 0)) || (((8672 <= s__state && blastFlag <= 3) && s__state <= 8672) && !(s__hit == 0))) || (2 == blastFlag && s__state <= 3) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(s__state == 8672) RESULT: Ultimate proved your program to be correct! [2021-10-13 00:53:56,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd3c839e-d225-45a6-a1d9-568a66a0ba69/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...