./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer --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 2cf89e99ec222c802fb7936bfc1d20c1ff03ad59 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:30:15,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:30:15,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:30:15,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:30:15,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:30:15,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:30:15,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:30:15,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:30:15,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:30:15,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:30:15,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:30:15,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:30:15,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:30:15,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:30:15,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:30:15,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:30:15,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:30:15,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:30:15,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:30:15,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:30:15,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:30:15,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:30:15,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:30:15,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:30:15,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:30:15,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:30:15,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:30:15,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:30:15,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:30:15,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:30:15,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:30:15,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:30:15,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:30:15,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:30:15,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:30:15,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:30:15,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:30:15,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:30:15,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:30:15,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:30:15,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:30:15,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:30:15,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:30:15,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:30:15,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:30:15,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:30:15,545 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:30:15,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:30:15,545 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:30:15,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:30:15,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:30:15,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:30:15,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:30:15,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:30:15,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:30:15,547 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:30:15,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:30:15,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:30:15,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:30:15,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:30:15,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:30:15,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:30:15,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:30:15,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:30:15,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:30:15,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:30:15,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:30:15,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:30:15,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:30:15,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:30:15,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:30:15,551 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-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cf89e99ec222c802fb7936bfc1d20c1ff03ad59 [2020-11-29 19:30:15,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:30:15,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:30:15,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:30:15,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:30:15,845 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:30:15,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2020-11-29 19:30:15,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/data/63f407e84/b4b4ca27ed964215a4038f3cac712b35/FLAG7095b751b [2020-11-29 19:30:16,457 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:30:16,458 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2020-11-29 19:30:16,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/data/63f407e84/b4b4ca27ed964215a4038f3cac712b35/FLAG7095b751b [2020-11-29 19:30:16,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/data/63f407e84/b4b4ca27ed964215a4038f3cac712b35 [2020-11-29 19:30:16,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:30:16,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:30:16,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:30:16,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:30:16,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:30:16,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:30:16" (1/1) ... [2020-11-29 19:30:16,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d063ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:16, skipping insertion in model container [2020-11-29 19:30:16,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:30:16" (1/1) ... [2020-11-29 19:30:16,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:30:16,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:30:17,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:30:17,252 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:30:17,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:30:17,370 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:30:17,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17 WrapperNode [2020-11-29 19:30:17,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:30:17,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:30:17,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:30:17,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:30:17,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:30:17,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:30:17,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:30:17,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:30:17,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... [2020-11-29 19:30:17,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:30:17,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:30:17,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:30:17,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:30:17,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:30:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:30:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:30:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:30:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:30:17,792 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 19:30:18,488 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-29 19:30:18,488 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-29 19:30:18,497 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:30:18,497 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:30:18,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:30:18 BoogieIcfgContainer [2020-11-29 19:30:18,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:30:18,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:30:18,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:30:18,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:30:18,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:30:16" (1/3) ... [2020-11-29 19:30:18,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5068c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:30:18, skipping insertion in model container [2020-11-29 19:30:18,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:17" (2/3) ... [2020-11-29 19:30:18,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5068c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:30:18, skipping insertion in model container [2020-11-29 19:30:18,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:30:18" (3/3) ... [2020-11-29 19:30:18,507 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2020-11-29 19:30:18,517 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:30:18,522 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:30:18,533 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:30:18,558 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:30:18,561 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:30:18,562 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:30:18,562 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:30:18,562 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:30:18,562 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:30:18,562 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:30:18,562 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:30:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-11-29 19:30:18,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 19:30:18,598 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:18,599 INFO L422 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] [2020-11-29 19:30:18,599 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:18,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:18,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2020-11-29 19:30:18,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:18,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629788992] [2020-11-29 19:30:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:18,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629788992] [2020-11-29 19:30:18,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:18,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:18,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496193164] [2020-11-29 19:30:18,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:18,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:18,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:18,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:18,970 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2020-11-29 19:30:19,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:19,412 INFO L93 Difference]: Finished difference Result 324 states and 560 transitions. [2020-11-29 19:30:19,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:19,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-11-29 19:30:19,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:19,426 INFO L225 Difference]: With dead ends: 324 [2020-11-29 19:30:19,426 INFO L226 Difference]: Without dead ends: 171 [2020-11-29 19:30:19,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:19,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-29 19:30:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2020-11-29 19:30:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-11-29 19:30:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 271 transitions. [2020-11-29 19:30:19,480 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 271 transitions. Word has length 44 [2020-11-29 19:30:19,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:19,481 INFO L481 AbstractCegarLoop]: Abstraction has 166 states and 271 transitions. [2020-11-29 19:30:19,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 271 transitions. [2020-11-29 19:30:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 19:30:19,483 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:19,484 INFO L422 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] [2020-11-29 19:30:19,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:30:19,484 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:19,485 INFO L82 PathProgramCache]: Analyzing trace with hash -954579415, now seen corresponding path program 1 times [2020-11-29 19:30:19,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:19,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645333187] [2020-11-29 19:30:19,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:19,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645333187] [2020-11-29 19:30:19,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:19,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:19,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150809306] [2020-11-29 19:30:19,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:19,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:19,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:19,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:19,592 INFO L87 Difference]: Start difference. First operand 166 states and 271 transitions. Second operand 3 states. [2020-11-29 19:30:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:19,961 INFO L93 Difference]: Finished difference Result 372 states and 616 transitions. [2020-11-29 19:30:19,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:19,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-29 19:30:19,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:19,965 INFO L225 Difference]: With dead ends: 372 [2020-11-29 19:30:19,965 INFO L226 Difference]: Without dead ends: 212 [2020-11-29 19:30:19,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:19,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-11-29 19:30:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-11-29 19:30:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-29 19:30:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2020-11-29 19:30:20,005 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 348 transitions. Word has length 45 [2020-11-29 19:30:20,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:20,018 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 348 transitions. [2020-11-29 19:30:20,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 348 transitions. [2020-11-29 19:30:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 19:30:20,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:20,022 INFO L422 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] [2020-11-29 19:30:20,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:30:20,022 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:20,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:20,023 INFO L82 PathProgramCache]: Analyzing trace with hash -420309214, now seen corresponding path program 1 times [2020-11-29 19:30:20,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:20,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279623182] [2020-11-29 19:30:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:20,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279623182] [2020-11-29 19:30:20,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:20,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:20,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744146430] [2020-11-29 19:30:20,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:20,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:20,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:20,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:20,151 INFO L87 Difference]: Start difference. First operand 207 states and 348 transitions. Second operand 3 states. [2020-11-29 19:30:20,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:20,437 INFO L93 Difference]: Finished difference Result 437 states and 742 transitions. [2020-11-29 19:30:20,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:20,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-11-29 19:30:20,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:20,441 INFO L225 Difference]: With dead ends: 437 [2020-11-29 19:30:20,441 INFO L226 Difference]: Without dead ends: 238 [2020-11-29 19:30:20,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:20,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-29 19:30:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2020-11-29 19:30:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-11-29 19:30:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 404 transitions. [2020-11-29 19:30:20,471 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 404 transitions. Word has length 72 [2020-11-29 19:30:20,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:20,471 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 404 transitions. [2020-11-29 19:30:20,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:20,471 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2020-11-29 19:30:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 19:30:20,486 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:20,487 INFO L422 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] [2020-11-29 19:30:20,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:30:20,487 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:20,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:20,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1606429448, now seen corresponding path program 1 times [2020-11-29 19:30:20,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:20,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053691827] [2020-11-29 19:30:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:30:20,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053691827] [2020-11-29 19:30:20,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:20,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:20,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793726187] [2020-11-29 19:30:20,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:20,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:20,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:20,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:20,576 INFO L87 Difference]: Start difference. First operand 238 states and 404 transitions. Second operand 3 states. [2020-11-29 19:30:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:20,803 INFO L93 Difference]: Finished difference Result 485 states and 824 transitions. [2020-11-29 19:30:20,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:20,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 19:30:20,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:20,806 INFO L225 Difference]: With dead ends: 485 [2020-11-29 19:30:20,806 INFO L226 Difference]: Without dead ends: 255 [2020-11-29 19:30:20,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-11-29 19:30:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-11-29 19:30:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-11-29 19:30:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 427 transitions. [2020-11-29 19:30:20,835 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 427 transitions. Word has length 84 [2020-11-29 19:30:20,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:20,835 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 427 transitions. [2020-11-29 19:30:20,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2020-11-29 19:30:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-29 19:30:20,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:20,838 INFO L422 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] [2020-11-29 19:30:20,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:30:20,838 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:20,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:20,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1610778141, now seen corresponding path program 1 times [2020-11-29 19:30:20,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:20,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13538406] [2020-11-29 19:30:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:20,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13538406] [2020-11-29 19:30:20,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:20,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:20,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126343558] [2020-11-29 19:30:20,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:20,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:20,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:20,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:20,926 INFO L87 Difference]: Start difference. First operand 253 states and 427 transitions. Second operand 3 states. [2020-11-29 19:30:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:21,189 INFO L93 Difference]: Finished difference Result 544 states and 923 transitions. [2020-11-29 19:30:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:21,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-11-29 19:30:21,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:21,192 INFO L225 Difference]: With dead ends: 544 [2020-11-29 19:30:21,192 INFO L226 Difference]: Without dead ends: 299 [2020-11-29 19:30:21,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:21,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-11-29 19:30:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-11-29 19:30:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-11-29 19:30:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 501 transitions. [2020-11-29 19:30:21,210 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 501 transitions. Word has length 84 [2020-11-29 19:30:21,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:21,211 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 501 transitions. [2020-11-29 19:30:21,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 501 transitions. [2020-11-29 19:30:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 19:30:21,213 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:21,213 INFO L422 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] [2020-11-29 19:30:21,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:30:21,214 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:21,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:21,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1470428767, now seen corresponding path program 1 times [2020-11-29 19:30:21,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:21,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639066215] [2020-11-29 19:30:21,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:30:21,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639066215] [2020-11-29 19:30:21,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:21,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:21,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014703954] [2020-11-29 19:30:21,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:21,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:21,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:21,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:21,280 INFO L87 Difference]: Start difference. First operand 295 states and 501 transitions. Second operand 3 states. [2020-11-29 19:30:21,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:21,523 INFO L93 Difference]: Finished difference Result 584 states and 992 transitions. [2020-11-29 19:30:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:21,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 19:30:21,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:21,526 INFO L225 Difference]: With dead ends: 584 [2020-11-29 19:30:21,526 INFO L226 Difference]: Without dead ends: 297 [2020-11-29 19:30:21,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:21,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-11-29 19:30:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2020-11-29 19:30:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-11-29 19:30:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 497 transitions. [2020-11-29 19:30:21,545 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 497 transitions. Word has length 85 [2020-11-29 19:30:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:21,545 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 497 transitions. [2020-11-29 19:30:21,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 497 transitions. [2020-11-29 19:30:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-29 19:30:21,547 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:21,547 INFO L422 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] [2020-11-29 19:30:21,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:30:21,548 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:21,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:21,548 INFO L82 PathProgramCache]: Analyzing trace with hash -564791579, now seen corresponding path program 1 times [2020-11-29 19:30:21,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:21,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124481772] [2020-11-29 19:30:21,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:21,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124481772] [2020-11-29 19:30:21,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:21,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:21,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635500147] [2020-11-29 19:30:21,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:21,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:21,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:21,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:21,633 INFO L87 Difference]: Start difference. First operand 295 states and 497 transitions. Second operand 3 states. [2020-11-29 19:30:21,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:21,930 INFO L93 Difference]: Finished difference Result 586 states and 987 transitions. [2020-11-29 19:30:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:21,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-29 19:30:21,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:21,933 INFO L225 Difference]: With dead ends: 586 [2020-11-29 19:30:21,933 INFO L226 Difference]: Without dead ends: 297 [2020-11-29 19:30:21,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-11-29 19:30:21,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2020-11-29 19:30:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-11-29 19:30:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 492 transitions. [2020-11-29 19:30:21,951 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 492 transitions. Word has length 85 [2020-11-29 19:30:21,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:21,951 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 492 transitions. [2020-11-29 19:30:21,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 492 transitions. [2020-11-29 19:30:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-29 19:30:21,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:21,956 INFO L422 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] [2020-11-29 19:30:21,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:30:21,957 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:21,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:21,957 INFO L82 PathProgramCache]: Analyzing trace with hash -378579321, now seen corresponding path program 1 times [2020-11-29 19:30:21,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:21,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128426448] [2020-11-29 19:30:21,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-29 19:30:22,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128426448] [2020-11-29 19:30:22,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:22,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:22,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849821254] [2020-11-29 19:30:22,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:22,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:22,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:22,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:22,022 INFO L87 Difference]: Start difference. First operand 293 states and 492 transitions. Second operand 3 states. [2020-11-29 19:30:22,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:22,247 INFO L93 Difference]: Finished difference Result 586 states and 983 transitions. [2020-11-29 19:30:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:22,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-29 19:30:22,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:22,250 INFO L225 Difference]: With dead ends: 586 [2020-11-29 19:30:22,250 INFO L226 Difference]: Without dead ends: 301 [2020-11-29 19:30:22,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:22,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-11-29 19:30:22,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-11-29 19:30:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-29 19:30:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 497 transitions. [2020-11-29 19:30:22,263 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 497 transitions. Word has length 96 [2020-11-29 19:30:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:22,263 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 497 transitions. [2020-11-29 19:30:22,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 497 transitions. [2020-11-29 19:30:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-29 19:30:22,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:22,264 INFO L422 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] [2020-11-29 19:30:22,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:30:22,265 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash 183697243, now seen corresponding path program 1 times [2020-11-29 19:30:22,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:22,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828278346] [2020-11-29 19:30:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:30:22,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828278346] [2020-11-29 19:30:22,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:22,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:22,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664659606] [2020-11-29 19:30:22,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:22,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:22,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:22,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:22,396 INFO L87 Difference]: Start difference. First operand 301 states and 497 transitions. Second operand 3 states. [2020-11-29 19:30:22,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:22,629 INFO L93 Difference]: Finished difference Result 625 states and 1035 transitions. [2020-11-29 19:30:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:22,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-29 19:30:22,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:22,632 INFO L225 Difference]: With dead ends: 625 [2020-11-29 19:30:22,632 INFO L226 Difference]: Without dead ends: 332 [2020-11-29 19:30:22,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-29 19:30:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2020-11-29 19:30:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-11-29 19:30:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 544 transitions. [2020-11-29 19:30:22,650 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 544 transitions. Word has length 98 [2020-11-29 19:30:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:22,651 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 544 transitions. [2020-11-29 19:30:22,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 544 transitions. [2020-11-29 19:30:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 19:30:22,655 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:22,655 INFO L422 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] [2020-11-29 19:30:22,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:30:22,655 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:22,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:22,657 INFO L82 PathProgramCache]: Analyzing trace with hash 156444990, now seen corresponding path program 1 times [2020-11-29 19:30:22,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:22,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432146930] [2020-11-29 19:30:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:30:22,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432146930] [2020-11-29 19:30:22,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:22,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:22,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277284921] [2020-11-29 19:30:22,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:22,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:22,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:22,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:22,751 INFO L87 Difference]: Start difference. First operand 330 states and 544 transitions. Second operand 3 states. [2020-11-29 19:30:22,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:22,988 INFO L93 Difference]: Finished difference Result 686 states and 1135 transitions. [2020-11-29 19:30:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:22,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 19:30:22,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:22,991 INFO L225 Difference]: With dead ends: 686 [2020-11-29 19:30:22,991 INFO L226 Difference]: Without dead ends: 364 [2020-11-29 19:30:22,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:22,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-29 19:30:23,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-11-29 19:30:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-29 19:30:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 586 transitions. [2020-11-29 19:30:23,006 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 586 transitions. Word has length 99 [2020-11-29 19:30:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:23,007 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 586 transitions. [2020-11-29 19:30:23,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:23,007 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 586 transitions. [2020-11-29 19:30:23,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 19:30:23,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:23,009 INFO L422 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] [2020-11-29 19:30:23,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:30:23,009 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:23,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:23,010 INFO L82 PathProgramCache]: Analyzing trace with hash -2130209566, now seen corresponding path program 1 times [2020-11-29 19:30:23,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:23,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325204242] [2020-11-29 19:30:23,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:30:23,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325204242] [2020-11-29 19:30:23,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:23,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:23,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777588499] [2020-11-29 19:30:23,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:23,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:23,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:23,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:23,078 INFO L87 Difference]: Start difference. First operand 357 states and 586 transitions. Second operand 3 states. [2020-11-29 19:30:23,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:23,316 INFO L93 Difference]: Finished difference Result 708 states and 1162 transitions. [2020-11-29 19:30:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:23,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 19:30:23,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:23,319 INFO L225 Difference]: With dead ends: 708 [2020-11-29 19:30:23,320 INFO L226 Difference]: Without dead ends: 359 [2020-11-29 19:30:23,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-11-29 19:30:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2020-11-29 19:30:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-29 19:30:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 582 transitions. [2020-11-29 19:30:23,337 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 582 transitions. Word has length 99 [2020-11-29 19:30:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:23,337 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 582 transitions. [2020-11-29 19:30:23,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:23,338 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 582 transitions. [2020-11-29 19:30:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-29 19:30:23,339 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:23,339 INFO L422 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] [2020-11-29 19:30:23,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:30:23,340 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:23,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:23,340 INFO L82 PathProgramCache]: Analyzing trace with hash -417318601, now seen corresponding path program 1 times [2020-11-29 19:30:23,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:23,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914272407] [2020-11-29 19:30:23,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:23,388 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 19:30:23,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914272407] [2020-11-29 19:30:23,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:23,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:23,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623749192] [2020-11-29 19:30:23,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:23,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:23,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:23,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:23,391 INFO L87 Difference]: Start difference. First operand 357 states and 582 transitions. Second operand 3 states. [2020-11-29 19:30:23,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:23,640 INFO L93 Difference]: Finished difference Result 713 states and 1164 transitions. [2020-11-29 19:30:23,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:23,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-11-29 19:30:23,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:23,643 INFO L225 Difference]: With dead ends: 713 [2020-11-29 19:30:23,643 INFO L226 Difference]: Without dead ends: 364 [2020-11-29 19:30:23,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-29 19:30:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2020-11-29 19:30:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-11-29 19:30:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 577 transitions. [2020-11-29 19:30:23,659 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 577 transitions. Word has length 100 [2020-11-29 19:30:23,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:23,660 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 577 transitions. [2020-11-29 19:30:23,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 577 transitions. [2020-11-29 19:30:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-29 19:30:23,661 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:23,662 INFO L422 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] [2020-11-29 19:30:23,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:30:23,662 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:23,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:23,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1321281040, now seen corresponding path program 1 times [2020-11-29 19:30:23,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:23,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768803620] [2020-11-29 19:30:23,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:30:23,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768803620] [2020-11-29 19:30:23,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:23,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:23,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253861664] [2020-11-29 19:30:23,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:23,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:23,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:23,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:23,729 INFO L87 Difference]: Start difference. First operand 357 states and 577 transitions. Second operand 3 states. [2020-11-29 19:30:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:23,934 INFO L93 Difference]: Finished difference Result 731 states and 1183 transitions. [2020-11-29 19:30:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:23,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-29 19:30:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:23,937 INFO L225 Difference]: With dead ends: 731 [2020-11-29 19:30:23,937 INFO L226 Difference]: Without dead ends: 382 [2020-11-29 19:30:23,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:23,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-11-29 19:30:23,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-11-29 19:30:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-11-29 19:30:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 606 transitions. [2020-11-29 19:30:23,956 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 606 transitions. Word has length 105 [2020-11-29 19:30:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:23,956 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 606 transitions. [2020-11-29 19:30:23,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 606 transitions. [2020-11-29 19:30:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-29 19:30:23,958 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:23,958 INFO L422 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] [2020-11-29 19:30:23,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:30:23,958 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:23,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:23,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1276596489, now seen corresponding path program 1 times [2020-11-29 19:30:23,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:23,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587696715] [2020-11-29 19:30:23,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:30:24,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587696715] [2020-11-29 19:30:24,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:24,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:24,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177572742] [2020-11-29 19:30:24,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:24,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:24,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:24,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,008 INFO L87 Difference]: Start difference. First operand 378 states and 606 transitions. Second operand 3 states. [2020-11-29 19:30:24,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:24,250 INFO L93 Difference]: Finished difference Result 752 states and 1206 transitions. [2020-11-29 19:30:24,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:24,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-29 19:30:24,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:24,253 INFO L225 Difference]: With dead ends: 752 [2020-11-29 19:30:24,253 INFO L226 Difference]: Without dead ends: 382 [2020-11-29 19:30:24,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-11-29 19:30:24,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2020-11-29 19:30:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-11-29 19:30:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 600 transitions. [2020-11-29 19:30:24,272 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 600 transitions. Word has length 106 [2020-11-29 19:30:24,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:24,273 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 600 transitions. [2020-11-29 19:30:24,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 600 transitions. [2020-11-29 19:30:24,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 19:30:24,275 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:24,275 INFO L422 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] [2020-11-29 19:30:24,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:30:24,275 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:24,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:24,276 INFO L82 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2020-11-29 19:30:24,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:24,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272961280] [2020-11-29 19:30:24,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:30:24,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272961280] [2020-11-29 19:30:24,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:24,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:24,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112570078] [2020-11-29 19:30:24,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:24,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:24,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:24,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,330 INFO L87 Difference]: Start difference. First operand 378 states and 600 transitions. Second operand 3 states. [2020-11-29 19:30:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:24,390 INFO L93 Difference]: Finished difference Result 1072 states and 1706 transitions. [2020-11-29 19:30:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:24,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 19:30:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:24,395 INFO L225 Difference]: With dead ends: 1072 [2020-11-29 19:30:24,395 INFO L226 Difference]: Without dead ends: 702 [2020-11-29 19:30:24,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-11-29 19:30:24,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2020-11-29 19:30:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-11-29 19:30:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1113 transitions. [2020-11-29 19:30:24,429 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1113 transitions. Word has length 121 [2020-11-29 19:30:24,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:24,429 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1113 transitions. [2020-11-29 19:30:24,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1113 transitions. [2020-11-29 19:30:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 19:30:24,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:24,432 INFO L422 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] [2020-11-29 19:30:24,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 19:30:24,432 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:24,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:24,432 INFO L82 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2020-11-29 19:30:24,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:24,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6916390] [2020-11-29 19:30:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 19:30:24,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6916390] [2020-11-29 19:30:24,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:24,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:24,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938710370] [2020-11-29 19:30:24,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:24,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:24,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,500 INFO L87 Difference]: Start difference. First operand 702 states and 1113 transitions. Second operand 3 states. [2020-11-29 19:30:24,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:24,565 INFO L93 Difference]: Finished difference Result 1072 states and 1701 transitions. [2020-11-29 19:30:24,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:24,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 19:30:24,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:24,572 INFO L225 Difference]: With dead ends: 1072 [2020-11-29 19:30:24,572 INFO L226 Difference]: Without dead ends: 1070 [2020-11-29 19:30:24,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-11-29 19:30:24,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1070. [2020-11-29 19:30:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2020-11-29 19:30:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1699 transitions. [2020-11-29 19:30:24,617 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1699 transitions. Word has length 121 [2020-11-29 19:30:24,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:24,618 INFO L481 AbstractCegarLoop]: Abstraction has 1070 states and 1699 transitions. [2020-11-29 19:30:24,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1699 transitions. [2020-11-29 19:30:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-29 19:30:24,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:24,621 INFO L422 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, 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] [2020-11-29 19:30:24,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 19:30:24,621 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:24,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:24,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1473242480, now seen corresponding path program 1 times [2020-11-29 19:30:24,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:24,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866026623] [2020-11-29 19:30:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:24,632 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:24,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003964253] [2020-11-29 19:30:24,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:24,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:30:24,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:30:24,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866026623] [2020-11-29 19:30:24,820 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:24,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003964253] [2020-11-29 19:30:24,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:24,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:24,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731395983] [2020-11-29 19:30:24,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:24,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:24,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:24,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:24,823 INFO L87 Difference]: Start difference. First operand 1070 states and 1699 transitions. Second operand 3 states. [2020-11-29 19:30:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:25,029 INFO L93 Difference]: Finished difference Result 2500 states and 3972 transitions. [2020-11-29 19:30:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:25,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-29 19:30:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:25,039 INFO L225 Difference]: With dead ends: 2500 [2020-11-29 19:30:25,039 INFO L226 Difference]: Without dead ends: 1438 [2020-11-29 19:30:25,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:25,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-11-29 19:30:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1438. [2020-11-29 19:30:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-11-29 19:30:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2282 transitions. [2020-11-29 19:30:25,107 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2282 transitions. Word has length 122 [2020-11-29 19:30:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:25,108 INFO L481 AbstractCegarLoop]: Abstraction has 1438 states and 2282 transitions. [2020-11-29 19:30:25,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2282 transitions. [2020-11-29 19:30:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-29 19:30:25,112 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:25,112 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:25,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-11-29 19:30:25,326 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:25,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:25,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1161393041, now seen corresponding path program 1 times [2020-11-29 19:30:25,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:25,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734249802] [2020-11-29 19:30:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:25,336 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:25,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1811914375] [2020-11-29 19:30:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:25,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:30:25,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 19:30:25,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734249802] [2020-11-29 19:30:25,533 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:25,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811914375] [2020-11-29 19:30:25,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:25,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:25,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356297352] [2020-11-29 19:30:25,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:25,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:25,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:25,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:25,536 INFO L87 Difference]: Start difference. First operand 1438 states and 2282 transitions. Second operand 3 states. [2020-11-29 19:30:25,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:25,655 INFO L93 Difference]: Finished difference Result 2868 states and 4555 transitions. [2020-11-29 19:30:25,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:25,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-11-29 19:30:25,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:25,666 INFO L225 Difference]: With dead ends: 2868 [2020-11-29 19:30:25,666 INFO L226 Difference]: Without dead ends: 1806 [2020-11-29 19:30:25,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:25,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-11-29 19:30:25,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2020-11-29 19:30:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-11-29 19:30:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2866 transitions. [2020-11-29 19:30:25,748 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2866 transitions. Word has length 138 [2020-11-29 19:30:25,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:25,748 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2866 transitions. [2020-11-29 19:30:25,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2866 transitions. [2020-11-29 19:30:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-29 19:30:25,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:25,754 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-29 19:30:25,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-29 19:30:25,978 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:25,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:25,978 INFO L82 PathProgramCache]: Analyzing trace with hash 230274424, now seen corresponding path program 1 times [2020-11-29 19:30:25,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:25,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532122495] [2020-11-29 19:30:25,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:26,002 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:26,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183706430] [2020-11-29 19:30:26,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:26,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:30:26,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-29 19:30:26,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532122495] [2020-11-29 19:30:26,235 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:26,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183706430] [2020-11-29 19:30:26,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:26,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:26,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048280149] [2020-11-29 19:30:26,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:26,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:26,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:26,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:26,238 INFO L87 Difference]: Start difference. First operand 1806 states and 2866 transitions. Second operand 3 states. [2020-11-29 19:30:26,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:26,566 INFO L93 Difference]: Finished difference Result 3649 states and 5775 transitions. [2020-11-29 19:30:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:26,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-29 19:30:26,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:26,577 INFO L225 Difference]: With dead ends: 3649 [2020-11-29 19:30:26,578 INFO L226 Difference]: Without dead ends: 1851 [2020-11-29 19:30:26,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:26,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2020-11-29 19:30:26,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1806. [2020-11-29 19:30:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-11-29 19:30:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2794 transitions. [2020-11-29 19:30:26,657 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2794 transitions. Word has length 199 [2020-11-29 19:30:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:26,657 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2794 transitions. [2020-11-29 19:30:26,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2794 transitions. [2020-11-29 19:30:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-29 19:30:26,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:26,663 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:26,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:26,910 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:26,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1368505586, now seen corresponding path program 1 times [2020-11-29 19:30:26,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:26,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319670925] [2020-11-29 19:30:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-29 19:30:26,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319670925] [2020-11-29 19:30:26,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:26,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:26,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270454711] [2020-11-29 19:30:26,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:26,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:27,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:27,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:27,000 INFO L87 Difference]: Start difference. First operand 1806 states and 2794 transitions. Second operand 3 states. [2020-11-29 19:30:27,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:27,354 INFO L93 Difference]: Finished difference Result 3666 states and 5648 transitions. [2020-11-29 19:30:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:27,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-11-29 19:30:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:27,366 INFO L225 Difference]: With dead ends: 3666 [2020-11-29 19:30:27,366 INFO L226 Difference]: Without dead ends: 1868 [2020-11-29 19:30:27,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-11-29 19:30:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1806. [2020-11-29 19:30:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1806 states. [2020-11-29 19:30:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2716 transitions. [2020-11-29 19:30:27,442 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2716 transitions. Word has length 212 [2020-11-29 19:30:27,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:27,443 INFO L481 AbstractCegarLoop]: Abstraction has 1806 states and 2716 transitions. [2020-11-29 19:30:27,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2716 transitions. [2020-11-29 19:30:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-11-29 19:30:27,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:27,449 INFO L422 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, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1] [2020-11-29 19:30:27,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-29 19:30:27,450 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:27,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:27,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1759452965, now seen corresponding path program 1 times [2020-11-29 19:30:27,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:27,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956035626] [2020-11-29 19:30:27,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:27,471 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:27,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721331218] [2020-11-29 19:30:27,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:27,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:30:27,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 19:30:27,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956035626] [2020-11-29 19:30:27,688 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:27,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721331218] [2020-11-29 19:30:27,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:27,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:27,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925204076] [2020-11-29 19:30:27,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:27,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:27,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:27,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:27,691 INFO L87 Difference]: Start difference. First operand 1806 states and 2716 transitions. Second operand 3 states. [2020-11-29 19:30:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:28,037 INFO L93 Difference]: Finished difference Result 3844 states and 5780 transitions. [2020-11-29 19:30:28,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:28,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-11-29 19:30:28,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:28,049 INFO L225 Difference]: With dead ends: 3844 [2020-11-29 19:30:28,050 INFO L226 Difference]: Without dead ends: 1921 [2020-11-29 19:30:28,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:28,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-11-29 19:30:28,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-11-29 19:30:28,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-11-29 19:30:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2771 transitions. [2020-11-29 19:30:28,125 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2771 transitions. Word has length 241 [2020-11-29 19:30:28,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:28,126 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2771 transitions. [2020-11-29 19:30:28,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2771 transitions. [2020-11-29 19:30:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-29 19:30:28,132 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:28,133 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:28,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:28,346 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:28,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:28,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1825507112, now seen corresponding path program 1 times [2020-11-29 19:30:28,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:28,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100245638] [2020-11-29 19:30:28,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:28,357 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:28,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968258274] [2020-11-29 19:30:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:28,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:30:28,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-11-29 19:30:28,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100245638] [2020-11-29 19:30:28,600 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:28,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968258274] [2020-11-29 19:30:28,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:28,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:28,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105818548] [2020-11-29 19:30:28,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:28,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:28,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:28,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:28,606 INFO L87 Difference]: Start difference. First operand 1876 states and 2771 transitions. Second operand 3 states. [2020-11-29 19:30:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:28,985 INFO L93 Difference]: Finished difference Result 3789 states and 5585 transitions. [2020-11-29 19:30:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:28,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-11-29 19:30:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:28,998 INFO L225 Difference]: With dead ends: 3789 [2020-11-29 19:30:28,999 INFO L226 Difference]: Without dead ends: 1921 [2020-11-29 19:30:29,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:29,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-11-29 19:30:29,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1876. [2020-11-29 19:30:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2020-11-29 19:30:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2701 transitions. [2020-11-29 19:30:29,074 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2701 transitions. Word has length 255 [2020-11-29 19:30:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:29,075 INFO L481 AbstractCegarLoop]: Abstraction has 1876 states and 2701 transitions. [2020-11-29 19:30:29,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2701 transitions. [2020-11-29 19:30:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-29 19:30:29,082 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:29,082 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:29,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-11-29 19:30:29,299 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:29,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2020-11-29 19:30:29,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:29,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141700367] [2020-11-29 19:30:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:29,326 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:29,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788056391] [2020-11-29 19:30:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:29,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:30:29,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-11-29 19:30:29,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141700367] [2020-11-29 19:30:29,574 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:29,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788056391] [2020-11-29 19:30:29,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:29,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:29,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450684628] [2020-11-29 19:30:29,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:29,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:29,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:29,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:29,577 INFO L87 Difference]: Start difference. First operand 1876 states and 2701 transitions. Second operand 3 states. [2020-11-29 19:30:29,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:29,699 INFO L93 Difference]: Finished difference Result 5592 states and 8059 transitions. [2020-11-29 19:30:29,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:29,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-11-29 19:30:29,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:29,720 INFO L225 Difference]: With dead ends: 5592 [2020-11-29 19:30:29,721 INFO L226 Difference]: Without dead ends: 3724 [2020-11-29 19:30:29,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:29,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2020-11-29 19:30:29,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3722. [2020-11-29 19:30:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3722 states. [2020-11-29 19:30:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3722 states and 5354 transitions. [2020-11-29 19:30:29,858 INFO L78 Accepts]: Start accepts. Automaton has 3722 states and 5354 transitions. Word has length 269 [2020-11-29 19:30:29,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:29,859 INFO L481 AbstractCegarLoop]: Abstraction has 3722 states and 5354 transitions. [2020-11-29 19:30:29,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 5354 transitions. [2020-11-29 19:30:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-11-29 19:30:29,871 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:29,871 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1] [2020-11-29 19:30:30,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:30,086 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:30,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:30,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1812515673, now seen corresponding path program 1 times [2020-11-29 19:30:30,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:30,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062618836] [2020-11-29 19:30:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2020-11-29 19:30:30,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062618836] [2020-11-29 19:30:30,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:30,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:30,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082216779] [2020-11-29 19:30:30,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:30,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:30,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:30,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:30,215 INFO L87 Difference]: Start difference. First operand 3722 states and 5354 transitions. Second operand 3 states. [2020-11-29 19:30:30,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:30,523 INFO L93 Difference]: Finished difference Result 7581 states and 10901 transitions. [2020-11-29 19:30:30,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:30,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-11-29 19:30:30,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:30,555 INFO L225 Difference]: With dead ends: 7581 [2020-11-29 19:30:30,560 INFO L226 Difference]: Without dead ends: 3867 [2020-11-29 19:30:30,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:30,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2020-11-29 19:30:30,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3837. [2020-11-29 19:30:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2020-11-29 19:30:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5494 transitions. [2020-11-29 19:30:30,735 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5494 transitions. Word has length 307 [2020-11-29 19:30:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:30,735 INFO L481 AbstractCegarLoop]: Abstraction has 3837 states and 5494 transitions. [2020-11-29 19:30:30,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5494 transitions. [2020-11-29 19:30:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-11-29 19:30:30,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:30,750 INFO L422 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] [2020-11-29 19:30:30,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-29 19:30:30,750 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:30,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:30,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1267987889, now seen corresponding path program 1 times [2020-11-29 19:30:30,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:30,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601334618] [2020-11-29 19:30:30,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:30,772 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 19:30:30,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163614940] [2020-11-29 19:30:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:30,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:30:30,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-11-29 19:30:31,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601334618] [2020-11-29 19:30:31,016 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 19:30:31,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163614940] [2020-11-29 19:30:31,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:31,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:31,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718739715] [2020-11-29 19:30:31,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:31,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:31,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:31,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:31,018 INFO L87 Difference]: Start difference. First operand 3837 states and 5494 transitions. Second operand 3 states. [2020-11-29 19:30:31,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:31,304 INFO L93 Difference]: Finished difference Result 7666 states and 10976 transitions. [2020-11-29 19:30:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:31,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2020-11-29 19:30:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:31,323 INFO L225 Difference]: With dead ends: 7666 [2020-11-29 19:30:31,323 INFO L226 Difference]: Without dead ends: 2264 [2020-11-29 19:30:31,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:31,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2020-11-29 19:30:31,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2020-11-29 19:30:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2264 states. [2020-11-29 19:30:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3184 transitions. [2020-11-29 19:30:31,407 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3184 transitions. Word has length 320 [2020-11-29 19:30:31,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:31,408 INFO L481 AbstractCegarLoop]: Abstraction has 2264 states and 3184 transitions. [2020-11-29 19:30:31,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3184 transitions. [2020-11-29 19:30:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-11-29 19:30:31,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:31,416 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:31,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-11-29 19:30:31,642 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:31,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:31,642 INFO L82 PathProgramCache]: Analyzing trace with hash 493001237, now seen corresponding path program 1 times [2020-11-29 19:30:31,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:31,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415537422] [2020-11-29 19:30:31,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-11-29 19:30:31,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415537422] [2020-11-29 19:30:31,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:31,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:31,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919135163] [2020-11-29 19:30:31,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:31,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:31,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:31,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:31,752 INFO L87 Difference]: Start difference. First operand 2264 states and 3184 transitions. Second operand 3 states. [2020-11-29 19:30:32,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:32,026 INFO L93 Difference]: Finished difference Result 4742 states and 6692 transitions. [2020-11-29 19:30:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:32,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-11-29 19:30:32,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:32,031 INFO L225 Difference]: With dead ends: 4742 [2020-11-29 19:30:32,031 INFO L226 Difference]: Without dead ends: 2486 [2020-11-29 19:30:32,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-11-29 19:30:32,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2414. [2020-11-29 19:30:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-11-29 19:30:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3364 transitions. [2020-11-29 19:30:32,100 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3364 transitions. Word has length 327 [2020-11-29 19:30:32,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:32,101 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3364 transitions. [2020-11-29 19:30:32,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:32,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3364 transitions. [2020-11-29 19:30:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-11-29 19:30:32,110 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:32,110 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:32,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-29 19:30:32,111 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:32,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:32,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1757399063, now seen corresponding path program 1 times [2020-11-29 19:30:32,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:32,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154783788] [2020-11-29 19:30:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2020-11-29 19:30:32,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154783788] [2020-11-29 19:30:32,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:32,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:32,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675855780] [2020-11-29 19:30:32,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:32,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:32,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:32,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:32,235 INFO L87 Difference]: Start difference. First operand 2414 states and 3364 transitions. Second operand 3 states. [2020-11-29 19:30:32,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:32,603 INFO L93 Difference]: Finished difference Result 4862 states and 6788 transitions. [2020-11-29 19:30:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:32,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2020-11-29 19:30:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:32,609 INFO L225 Difference]: With dead ends: 4862 [2020-11-29 19:30:32,609 INFO L226 Difference]: Without dead ends: 2456 [2020-11-29 19:30:32,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-11-29 19:30:32,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2414. [2020-11-29 19:30:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2414 states. [2020-11-29 19:30:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3316 transitions. [2020-11-29 19:30:32,676 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3316 transitions. Word has length 353 [2020-11-29 19:30:32,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:32,677 INFO L481 AbstractCegarLoop]: Abstraction has 2414 states and 3316 transitions. [2020-11-29 19:30:32,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3316 transitions. [2020-11-29 19:30:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-11-29 19:30:32,687 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:32,688 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:32,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-29 19:30:32,688 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:32,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2020-11-29 19:30:32,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:32,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290063263] [2020-11-29 19:30:32,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-11-29 19:30:32,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290063263] [2020-11-29 19:30:32,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511004479] [2020-11-29 19:30:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:33,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:30:33,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2020-11-29 19:30:33,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:30:33,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-29 19:30:33,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793029346] [2020-11-29 19:30:33,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:30:33,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:33,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:30:33,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:30:33,155 INFO L87 Difference]: Start difference. First operand 2414 states and 3316 transitions. Second operand 4 states. [2020-11-29 19:30:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:33,779 INFO L93 Difference]: Finished difference Result 6390 states and 8764 transitions. [2020-11-29 19:30:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 19:30:33,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 370 [2020-11-29 19:30:33,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:33,787 INFO L225 Difference]: With dead ends: 6390 [2020-11-29 19:30:33,787 INFO L226 Difference]: Without dead ends: 3852 [2020-11-29 19:30:33,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:30:33,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2020-11-29 19:30:33,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 2486. [2020-11-29 19:30:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-11-29 19:30:33,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3374 transitions. [2020-11-29 19:30:33,869 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3374 transitions. Word has length 370 [2020-11-29 19:30:33,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:33,869 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3374 transitions. [2020-11-29 19:30:33,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:30:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3374 transitions. [2020-11-29 19:30:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2020-11-29 19:30:33,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:33,876 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:34,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-11-29 19:30:34,102 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:34,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:34,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1628763683, now seen corresponding path program 1 times [2020-11-29 19:30:34,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:34,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057590292] [2020-11-29 19:30:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 975 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2020-11-29 19:30:34,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057590292] [2020-11-29 19:30:34,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:34,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:34,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076669979] [2020-11-29 19:30:34,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:34,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:34,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:34,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:34,293 INFO L87 Difference]: Start difference. First operand 2486 states and 3374 transitions. Second operand 3 states. [2020-11-29 19:30:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:34,567 INFO L93 Difference]: Finished difference Result 4976 states and 6748 transitions. [2020-11-29 19:30:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:34,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2020-11-29 19:30:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:34,572 INFO L225 Difference]: With dead ends: 4976 [2020-11-29 19:30:34,572 INFO L226 Difference]: Without dead ends: 2498 [2020-11-29 19:30:34,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2020-11-29 19:30:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2486. [2020-11-29 19:30:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-11-29 19:30:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3326 transitions. [2020-11-29 19:30:34,643 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3326 transitions. Word has length 438 [2020-11-29 19:30:34,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:34,644 INFO L481 AbstractCegarLoop]: Abstraction has 2486 states and 3326 transitions. [2020-11-29 19:30:34,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3326 transitions. [2020-11-29 19:30:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-11-29 19:30:34,650 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:34,650 INFO L422 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] [2020-11-29 19:30:34,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-11-29 19:30:34,651 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:34,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2020-11-29 19:30:34,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:34,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466838909] [2020-11-29 19:30:34,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2020-11-29 19:30:34,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466838909] [2020-11-29 19:30:34,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:34,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:34,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329177805] [2020-11-29 19:30:34,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:34,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:34,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:34,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:34,880 INFO L87 Difference]: Start difference. First operand 2486 states and 3326 transitions. Second operand 3 states. [2020-11-29 19:30:35,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:35,190 INFO L93 Difference]: Finished difference Result 5180 states and 6946 transitions. [2020-11-29 19:30:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:35,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 470 [2020-11-29 19:30:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:35,195 INFO L225 Difference]: With dead ends: 5180 [2020-11-29 19:30:35,195 INFO L226 Difference]: Without dead ends: 2702 [2020-11-29 19:30:35,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2020-11-29 19:30:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2690. [2020-11-29 19:30:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2020-11-29 19:30:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3560 transitions. [2020-11-29 19:30:35,268 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3560 transitions. Word has length 470 [2020-11-29 19:30:35,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:35,269 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 3560 transitions. [2020-11-29 19:30:35,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3560 transitions. [2020-11-29 19:30:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-11-29 19:30:35,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:35,276 INFO L422 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] [2020-11-29 19:30:35,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-11-29 19:30:35,276 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:35,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:35,277 INFO L82 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2020-11-29 19:30:35,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:35,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879507392] [2020-11-29 19:30:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2020-11-29 19:30:35,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879507392] [2020-11-29 19:30:35,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:35,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:30:35,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193245108] [2020-11-29 19:30:35,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:35,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:35,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:35,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:35,567 INFO L87 Difference]: Start difference. First operand 2690 states and 3560 transitions. Second operand 3 states. [2020-11-29 19:30:35,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:35,899 INFO L93 Difference]: Finished difference Result 5600 states and 7438 transitions. [2020-11-29 19:30:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:35,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 532 [2020-11-29 19:30:35,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:35,905 INFO L225 Difference]: With dead ends: 5600 [2020-11-29 19:30:35,905 INFO L226 Difference]: Without dead ends: 2918 [2020-11-29 19:30:35,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2020-11-29 19:30:35,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2906. [2020-11-29 19:30:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2906 states. [2020-11-29 19:30:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 3806 transitions. [2020-11-29 19:30:35,998 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 3806 transitions. Word has length 532 [2020-11-29 19:30:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:35,999 INFO L481 AbstractCegarLoop]: Abstraction has 2906 states and 3806 transitions. [2020-11-29 19:30:35,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3806 transitions. [2020-11-29 19:30:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-11-29 19:30:36,006 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:36,007 INFO L422 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] [2020-11-29 19:30:36,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-11-29 19:30:36,007 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:36,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:36,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2020-11-29 19:30:36,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:36,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438039652] [2020-11-29 19:30:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-11-29 19:30:36,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438039652] [2020-11-29 19:30:36,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263311638] [2020-11-29 19:30:36,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:36,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:30:36,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:30:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2020-11-29 19:30:36,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:30:36,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-11-29 19:30:36,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946667254] [2020-11-29 19:30:36,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:30:36,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:36,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:30:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:30:36,743 INFO L87 Difference]: Start difference. First operand 2906 states and 3806 transitions. Second operand 6 states. [2020-11-29 19:30:37,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:37,108 INFO L93 Difference]: Finished difference Result 4541 states and 5954 transitions. [2020-11-29 19:30:37,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:30:37,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 598 [2020-11-29 19:30:37,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:37,110 INFO L225 Difference]: With dead ends: 4541 [2020-11-29 19:30:37,110 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:30:37,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:30:37,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:30:37,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:30:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:30:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:30:37,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 598 [2020-11-29 19:30:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:37,118 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:30:37,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:30:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:30:37,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:30:37,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:30:37,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:30:37,930 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-11-29 19:30:38,180 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2020-11-29 19:30:38,412 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 85 [2020-11-29 19:30:38,866 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-11-29 19:30:39,370 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 19:30:39,879 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-11-29 19:30:40,358 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-29 19:30:40,727 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 24 [2020-11-29 19:30:40,876 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-11-29 19:30:41,026 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 10 [2020-11-29 19:30:41,409 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-11-29 19:30:41,808 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-11-29 19:30:42,232 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2020-11-29 19:30:42,691 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-11-29 19:30:43,470 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-11-29 19:30:43,864 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-29 19:30:44,329 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 19:30:44,666 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-11-29 19:30:45,074 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-11-29 19:30:46,218 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2020-11-29 19:30:46,597 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-11-29 19:30:47,401 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 52 [2020-11-29 19:30:47,848 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2020-11-29 19:30:48,205 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-11-29 19:30:48,207 INFO L270 CegarLoopResult]: At program point L399(lines 390 421) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-11-29 19:30:48,208 INFO L270 CegarLoopResult]: At program point L168(lines 167 605) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse3 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse3 .cse1 .cse2))) [2020-11-29 19:30:48,210 INFO L270 CegarLoopResult]: At program point L135(lines 128 618) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L203(lines 203 593) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L170(lines 170 604) no Hoare annotation was computed. [2020-11-29 19:30:48,210 INFO L274 CegarLoopResult]: For program point L137(lines 137 615) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L104(lines 104 626) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L270 CegarLoopResult]: At program point L204(lines 200 594) the Hoare annotation is: (and (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) [2020-11-29 19:30:48,211 INFO L270 CegarLoopResult]: At program point L105(lines 104 626) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L502(lines 502 506) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L502-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L239(lines 239 244) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L206(lines 206 592) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L173(lines 173 603) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L140(lines 140 614) no Hoare annotation was computed. [2020-11-29 19:30:48,211 INFO L274 CegarLoopResult]: For program point L107(lines 107 625) no Hoare annotation was computed. [2020-11-29 19:30:48,212 INFO L270 CegarLoopResult]: At program point L207(lines 206 592) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-29 19:30:48,212 INFO L270 CegarLoopResult]: At program point L174(lines 170 604) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,212 INFO L270 CegarLoopResult]: At program point L141(lines 137 615) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse4 .cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse8))) [2020-11-29 19:30:48,212 INFO L274 CegarLoopResult]: For program point L75(lines 75 83) no Hoare annotation was computed. [2020-11-29 19:30:48,212 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-11-29 19:30:48,212 INFO L274 CegarLoopResult]: For program point L572(lines 572 582) no Hoare annotation was computed. [2020-11-29 19:30:48,212 INFO L274 CegarLoopResult]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2020-11-29 19:30:48,212 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-29 19:30:48,212 INFO L274 CegarLoopResult]: For program point L308-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L176(lines 176 602) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L143(lines 143 613) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L110(lines 110 624) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L441-1(lines 441 453) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L270 CegarLoopResult]: At program point L210(lines 209 591) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L277 CegarLoopResult]: At program point L673(lines 66 675) the Hoare annotation is: true [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L274 CegarLoopResult]: For program point L541(lines 541 546) no Hoare annotation was computed. [2020-11-29 19:30:48,213 INFO L270 CegarLoopResult]: At program point L409(lines 400 420) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L343-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L277 CegarLoopResult]: At program point L674(lines 11 676) the Hoare annotation is: true [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L179(lines 179 601) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L146(lines 146 612) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L113(lines 113 623) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L274 CegarLoopResult]: For program point L444(lines 444 449) no Hoare annotation was computed. [2020-11-29 19:30:48,214 INFO L270 CegarLoopResult]: At program point L180(lines 176 602) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,214 INFO L270 CegarLoopResult]: At program point L147(lines 143 613) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L270 CegarLoopResult]: At program point L214(lines 107 625) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673)) .cse3 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse4 .cse5 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10))) [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L182(lines 182 600) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L149(lines 149 611) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L116(lines 116 622) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L85(lines 85 93) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2020-11-29 19:30:48,215 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L185(lines 185 599) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L152(lines 152 610) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L119(lines 119 621) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L351(lines 351 382) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L318(lines 318 322) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L274 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-11-29 19:30:48,216 INFO L270 CegarLoopResult]: At program point L186(lines 182 600) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,216 INFO L270 CegarLoopResult]: At program point L153(lines 149 611) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L188(lines 188 598) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L155(lines 155 609) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L122(lines 122 620) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L270 CegarLoopResult]: At program point L552(lines 66 675) the Hoare annotation is: false [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L354(lines 354 381) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L354-1(lines 354 381) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L270 CegarLoopResult]: At program point L123(lines 119 621) the Hoare annotation is: (let ((.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point L355(lines 355 378) no Hoare annotation was computed. [2020-11-29 19:30:48,217 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L256(lines 256 268) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L277 CegarLoopResult]: At program point L686(lines 677 688) the Hoare annotation is: true [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L257(lines 257 262) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L191(lines 191 597) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L158(lines 158 608) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L125(lines 125 619) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L522(lines 522 527) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L390(lines 390 421) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L274 CegarLoopResult]: For program point L291-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,218 INFO L270 CegarLoopResult]: At program point L192(lines 188 598) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12 .cse13))) [2020-11-29 19:30:48,219 INFO L270 CegarLoopResult]: At program point L159(lines 155 609) the Hoare annotation is: (let ((.cse5 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse4 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse5 .cse0 .cse6 .cse1 .cse2 .cse3 .cse8 .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7))) [2020-11-29 19:30:48,219 INFO L270 CegarLoopResult]: At program point L126(lines 125 619) the Hoare annotation is: (and (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480)) (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544)) (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)) (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) [2020-11-29 19:30:48,219 INFO L270 CegarLoopResult]: At program point L589(lines 101 657) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-11-29 19:30:48,219 INFO L274 CegarLoopResult]: For program point L556(lines 556 560) no Hoare annotation was computed. [2020-11-29 19:30:48,219 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 19:30:48,219 INFO L274 CegarLoopResult]: For program point L358(lines 358 377) no Hoare annotation was computed. [2020-11-29 19:30:48,219 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:30:48,219 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-11-29 19:30:48,219 INFO L274 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L359-2(lines 358 375) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L194(lines 194 596) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L161(lines 161 607) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L128(lines 128 618) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L327-1(lines 327 336) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L277 CegarLoopResult]: At program point L658(lines 100 659) the Hoare annotation is: true [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L197(lines 197 595) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L164(lines 164 606) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L131(lines 131 617) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L627(lines 627 655) no Hoare annotation was computed. [2020-11-29 19:30:48,220 INFO L274 CegarLoopResult]: For program point L231(lines 231 248) no Hoare annotation was computed. [2020-11-29 19:30:48,221 INFO L270 CegarLoopResult]: At program point L198(lines 194 596) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8673))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse4 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse5 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse7 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse9 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse11 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse12 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse12) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse10 .cse11 .cse12 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0) .cse9 .cse10 .cse11 .cse12))) [2020-11-29 19:30:48,221 INFO L270 CegarLoopResult]: At program point L165(lines 161 607) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse4 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse2 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse7) (and .cse0 .cse4 .cse1 .cse5 .cse6 .cse2 .cse8 .cse3 .cse7 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)))) [2020-11-29 19:30:48,221 INFO L274 CegarLoopResult]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,221 INFO L274 CegarLoopResult]: For program point L628(lines 628 652) no Hoare annotation was computed. [2020-11-29 19:30:48,221 INFO L274 CegarLoopResult]: For program point L562(lines 562 566) no Hoare annotation was computed. [2020-11-29 19:30:48,221 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-29 19:30:48,224 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2020-11-29 19:30:48,224 INFO L274 CegarLoopResult]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2020-11-29 19:30:48,224 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-11-29 19:30:48,225 INFO L274 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-11-29 19:30:48,225 INFO L274 CegarLoopResult]: For program point L629(lines 629 638) no Hoare annotation was computed. [2020-11-29 19:30:48,225 INFO L274 CegarLoopResult]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2020-11-29 19:30:48,225 INFO L274 CegarLoopResult]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2020-11-29 19:30:48,225 INFO L274 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-11-29 19:30:48,225 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-11-29 19:30:48,226 INFO L270 CegarLoopResult]: At program point L365(lines 348 383) the Hoare annotation is: (let ((.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse5 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse9 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse4 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (and .cse0 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672) .cse5 .cse6 .cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657)) .cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse3 .cse4 .cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656)) (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))))) [2020-11-29 19:30:48,226 INFO L274 CegarLoopResult]: For program point L233(lines 233 238) no Hoare annotation was computed. [2020-11-29 19:30:48,226 INFO L274 CegarLoopResult]: For program point L200(lines 200 594) no Hoare annotation was computed. [2020-11-29 19:30:48,226 INFO L274 CegarLoopResult]: For program point L167(lines 167 605) no Hoare annotation was computed. [2020-11-29 19:30:48,226 INFO L274 CegarLoopResult]: For program point L134(lines 134 616) no Hoare annotation was computed. [2020-11-29 19:30:48,226 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 657) the Hoare annotation is: (let ((.cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse12 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse7 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse10 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse4 (= 2 ULTIMATE.start_ssl3_accept_~blastFlag~0)) (.cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse11 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (<= 8672 ULTIMATE.start_ssl3_accept_~s__state~0)) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse12) (and .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse4) (and .cse0 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (and (= 3 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448) .cse11) (<= ULTIMATE.start_ssl3_accept_~s__state~0 3))) [2020-11-29 19:30:48,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:30:48 BoogieIcfgContainer [2020-11-29 19:30:48,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:30:48,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:30:48,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:30:48,309 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:30:48,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:30:18" (3/4) ... [2020-11-29 19:30:48,313 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:30:48,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:30:48,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:30:48,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:30:48,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:30:48,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_15cab642-7ac5-4f45-ba10-8588c55278cb/bin/uautomizer/witness.graphml [2020-11-29 19:30:48,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:30:48,480 INFO L168 Benchmark]: Toolchain (without parser) took 31710.74 ms. Allocated memory was 96.5 MB in the beginning and 853.5 MB in the end (delta: 757.1 MB). Free memory was 62.5 MB in the beginning and 654.4 MB in the end (delta: -591.9 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,481 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 72.0 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:30:48,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.71 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 68.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.26 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 66.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,482 INFO L168 Benchmark]: Boogie Preprocessor took 63.89 ms. Allocated memory is still 96.5 MB. Free memory was 66.2 MB in the beginning and 64.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,482 INFO L168 Benchmark]: RCFGBuilder took 979.35 ms. Allocated memory is still 96.5 MB. Free memory was 64.1 MB in the beginning and 54.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,483 INFO L168 Benchmark]: TraceAbstraction took 29808.05 ms. Allocated memory was 96.5 MB in the beginning and 853.5 MB in the end (delta: 757.1 MB). Free memory was 54.3 MB in the beginning and 667.0 MB in the end (delta: -612.7 MB). Peak memory consumption was 502.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,483 INFO L168 Benchmark]: Witness Printer took 170.59 ms. Allocated memory is still 853.5 MB. Free memory was 667.0 MB in the beginning and 654.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:30:48,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 72.0 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.71 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 68.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.26 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 66.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.89 ms. Allocated memory is still 96.5 MB. Free memory was 66.2 MB in the beginning and 64.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 979.35 ms. Allocated memory is still 96.5 MB. Free memory was 64.1 MB in the beginning and 54.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29808.05 ms. Allocated memory was 96.5 MB in the beginning and 853.5 MB in the end (delta: 757.1 MB). Free memory was 54.3 MB in the beginning and 667.0 MB in the end (delta: -612.7 MB). Peak memory consumption was 502.4 MB. Max. memory is 16.1 GB. * Witness Printer took 170.59 ms. Allocated memory is still 853.5 MB. Free memory was 667.0 MB in the beginning and 654.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && 2 == blastFlag) || (((blastFlag <= 3 && s__state <= 8448) && 8448 <= s__state) && !(s__hit == 0))) || (((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8448) && 8448 <= s__state) && blastFlag <= 1)) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (blastFlag <= 3 && 8672 <= s__state) && !(12292 == s__state) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || (((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && 2 == blastFlag) || ((((((((((!(s__state == 8545) && s__s3__tmp__next_state___0 <= 8576) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1)) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__hit == 0))) || (((((((((((((!(s__state == 8545) && !(s__state == 8673)) && s__state <= 8672) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) || (((((((((((!(s__state == 8545) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((!(s__state == 8673) && blastFlag <= 3) && 8672 <= s__state) && !(s__state == 8672)) && !(s__hit == 0) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656)) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && !(s__state == 8481)) && 2 == blastFlag) || ((((((((((((((!(s__state == 8545) && !(s__state == 8673)) && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((((s__s3__tmp__next_state___0 <= 8576 && !(s__state == 8545)) && !(8496 == s__state)) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag) || (((((((((((((!(s__state == 8545) && s__state <= 8672) && !(s__state == 8480)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0))) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && !(s__state == 8544)) && !(8448 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((((blastFlag <= 3 && s__state <= 8672) && 8672 <= s__state) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && 2 == blastFlag)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481))) || ((s__s3__tmp__next_state___0 <= 8576 && s__state <= 8576) && blastFlag <= 1)) || (((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8448 == s__state)) && !(8497 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (blastFlag <= 3 && !(s__hit == 0))) || (((3 == s__s3__tmp__next_state___0 && blastFlag <= 3) && s__state <= 8448) && 8448 <= s__state)) || s__state <= 3 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && 2 == blastFlag) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) || ((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && !(s__state == 8544)) && !(8448 == s__state)) && blastFlag <= 1) && !(s__state == 8481)) && !(s__state == 8656))) || (((((((((((((((!(s__state == 8545) && !(s__state == 8480)) && s__state <= 8672) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(s__state == 8544)) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((((((((s__state <= 8672 && !(s__state == 8480)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && !(s__state == 8657)) && 8448 <= s__state) && !(s__state == 8672)) && !(8496 == s__state)) && blastFlag <= 3) && !(8448 == s__state)) && !(s__state == 8481)) && !(s__state == 8656)) && !(s__hit == 0)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && !(s__state == 8481)) && 2 == blastFlag)) || (((((((((!(8496 == s__state) && !(s__state == 8480)) && !(8448 == s__state)) && !(8497 == s__state)) && !(8560 == s__state)) && !(s__state == 8561)) && s__state <= 8576) && 8448 <= s__state) && blastFlag <= 1) && !(s__state == 8481)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 32, TraceHistogramMax: 19, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5562 SDtfs, 3444 SDslu, 2680 SDs, 0 SdLazy, 3054 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2584 GetRequests, 2546 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3837occurred in iteration=24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 32 MinimizatonAttempts, 1793 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 367 NumberOfFragments, 2859 HoareAnnotationTreeSize, 29 FomulaSimplifications, 43835 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 6830 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 7563 NumberOfCodeBlocks, 7563 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 7529 ConstructedInterpolants, 0 QuantifiedInterpolants, 3182748 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4304 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 30 PerfectInterpolantSequences, 25706/25810 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...