./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2291caba928db89f4f7b5c8ea69b5986b62c3d8c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2291caba928db89f4f7b5c8ea69b5986b62c3d8c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:17:01,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:17:01,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:17:01,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:17:01,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:17:01,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:17:01,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:17:01,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:17:01,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:17:01,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:17:01,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:17:01,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:17:01,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:17:01,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:17:01,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:17:01,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:17:01,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:17:01,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:17:01,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:17:01,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:17:01,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:17:01,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:17:01,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:17:01,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:17:01,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:17:01,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:17:01,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:17:01,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:17:01,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:17:01,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:17:01,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:17:01,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:17:01,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:17:01,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:17:01,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:17:01,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:17:01,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:17:01,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:17:01,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:17:01,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:17:01,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:17:01,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 12:17:01,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:17:01,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:17:01,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:17:01,511 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:17:01,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:17:01,511 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:17:01,512 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 12:17:01,512 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:17:01,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:17:01,512 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 12:17:01,512 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 12:17:01,512 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:17:01,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 12:17:01,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 12:17:01,513 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 12:17:01,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:17:01,514 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:17:01,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:17:01,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:17:01,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:17:01,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 12:17:01,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:17:01,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 12:17:01,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:17:01,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:17:01,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 12:17:01,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:17:01,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 12:17:01,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:17:01,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:17:01,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:17:01,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:17:01,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:17:01,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 12:17:01,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 12:17:01,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 12:17:01,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 12:17:01,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:17:01,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:17:01,518 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2291caba928db89f4f7b5c8ea69b5986b62c3d8c [2020-12-09 12:17:01,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:17:01,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:17:01,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:17:01,741 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:17:01,741 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:17:01,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2020-12-09 12:17:01,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/c33bc2bc9/b052c5117c43436aac7843ad17ea3d60/FLAG0f2103564 [2020-12-09 12:17:02,209 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:17:02,210 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2020-12-09 12:17:02,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/c33bc2bc9/b052c5117c43436aac7843ad17ea3d60/FLAG0f2103564 [2020-12-09 12:17:02,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/c33bc2bc9/b052c5117c43436aac7843ad17ea3d60 [2020-12-09 12:17:02,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:17:02,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:17:02,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:17:02,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:17:02,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:17:02,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:17:02" (1/1) ... [2020-12-09 12:17:02,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc30221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:02, skipping insertion in model container [2020-12-09 12:17:02,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:17:02" (1/1) ... [2020-12-09 12:17:02,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:17:02,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:17:02,842 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2020-12-09 12:17:03,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:17:03,015 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:17:03,048 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2020-12-09 12:17:03,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:17:03,183 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:17:03,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03 WrapperNode [2020-12-09 12:17:03,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:17:03,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:17:03,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:17:03,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:17:03,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:17:03,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:17:03,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:17:03,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:17:03,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... [2020-12-09 12:17:03,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:17:03,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:17:03,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:17:03,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:17:03,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/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 [2020-12-09 12:17:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 12:17:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:17:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:17:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:17:24,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:17:24,906 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 12:17:24,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:17:24 BoogieIcfgContainer [2020-12-09 12:17:24,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:17:24,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:17:24,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:17:24,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:17:24,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:17:02" (1/3) ... [2020-12-09 12:17:24,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb311df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:17:24, skipping insertion in model container [2020-12-09 12:17:24,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:17:03" (2/3) ... [2020-12-09 12:17:24,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb311df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:17:24, skipping insertion in model container [2020-12-09 12:17:24,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:17:24" (3/3) ... [2020-12-09 12:17:24,913 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2020-12-09 12:17:24,923 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:17:24,925 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:17:24,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:17:24,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:17:24,950 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 12:17:24,950 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:17:24,950 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:17:24,950 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:17:24,950 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:17:24,950 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:17:24,950 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:17:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 12:17:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 12:17:24,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:17:24,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 12:17:24,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:17:24,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:17:24,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1171036691, now seen corresponding path program 1 times [2020-12-09 12:17:24,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 12:17:24,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400941977] [2020-12-09 12:17:24,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 12:17:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:17:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:17:25,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400941977] [2020-12-09 12:17:25,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:17:25,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:17:25,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759144812] [2020-12-09 12:17:25,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:17:25,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 12:17:25,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:17:25,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:17:25,152 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 12:17:25,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:17:25,245 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 12:17:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:17:25,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 12:17:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:17:25,254 INFO L225 Difference]: With dead ends: 23 [2020-12-09 12:17:25,254 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 12:17:25,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:17:25,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 12:17:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 12:17:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 12:17:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 12:17:25,281 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 12:17:25,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:17:25,282 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 12:17:25,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:17:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 12:17:25,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 12:17:25,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:17:25,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 12:17:25,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 12:17:25,283 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:17:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:17:25,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1193050521, now seen corresponding path program 1 times [2020-12-09 12:17:25,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 12:17:25,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583143290] [2020-12-09 12:17:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 12:17:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:17:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:17:25,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583143290] [2020-12-09 12:17:25,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809914453] [2020-12-09 12:17:25,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/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 [2020-12-09 12:17:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:17:25,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 12:17:25,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:17:26,128 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 167 [2020-12-09 12:17:26,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,208 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,214 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,216 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,219 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,220 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,222 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,223 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,229 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,230 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,235 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,238 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,240 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,245 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,246 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,248 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,251 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,258 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,260 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,261 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,266 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,269 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,271 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,276 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,277 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,279 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,282 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,283 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,286 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,287 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,294 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,296 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,297 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,311 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,316 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,318 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,323 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,327 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,329 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,330 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,334 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,335 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,338 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,340 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,342 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,345 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,348 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,349 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,352 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,352 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,355 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,355 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,357 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,358 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,360 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,361 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,366 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,369 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,376 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 12:17:26,376 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,380 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 12:17:26,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 12:17:26,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 12:17:26,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,395 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,396 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,397 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,399 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,399 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,403 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,407 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,411 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,416 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,420 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,421 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,423 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,427 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,430 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,431 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,433 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,436 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,440 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 12:17:26,441 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,443 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,448 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,452 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,454 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,457 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,458 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,460 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,462 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,463 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,464 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,466 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,467 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,470 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 12:17:26,473 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 12:17:26,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,480 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,486 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,488 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,494 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,505 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,506 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,507 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,509 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,510 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,511 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,512 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,514 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,515 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,523 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,524 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,531 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,532 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,536 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,538 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,541 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,544 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,546 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,552 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,564 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,565 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,565 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,567 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,569 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,570 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,573 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,576 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,579 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,581 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,587 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 12:17:26,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,589 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,592 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,595 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,598 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,601 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 12:17:26,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,603 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,605 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,611 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,615 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,616 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,617 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,618 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,620 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,623 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,628 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,631 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,635 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,635 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,637 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,641 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,644 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,646 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,649 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,654 INFO L639 QuantifierPusher]: Distributing 9 conjuncts over 2 disjuncts [2020-12-09 12:17:26,655 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,655 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,658 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,658 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,662 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,667 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,669 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,669 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,671 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,673 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,673 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,674 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,677 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,679 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,680 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,683 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,685 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 12:17:26,686 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,693 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 12:17:26,694 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 12:17:26,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,701 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,703 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,703 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,709 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,713 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,715 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,718 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,720 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,721 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,722 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,724 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,725 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,726 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,728 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,729 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 12:17:26,736 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,741 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,742 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,743 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,744 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,747 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,749 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,752 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,754 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 12:17:26,755 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,757 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,760 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 12:17:26,760 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,764 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,766 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:17:26,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,768 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,771 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,772 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,773 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 12:17:26,777 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,782 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,785 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,788 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 12:17:26,789 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,790 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,790 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,792 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,792 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,794 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 12:17:26,794 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,799 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,801 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,805 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,806 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 12:17:26,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:17:26,810 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:17:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:17:26,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:17:27,417 WARN L197 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 4726 DAG size of output: 4015 [2020-12-09 12:17:27,441 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 12:17:27,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1097991625] [2020-12-09 12:17:27,460 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 12:17:27,460 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 12:17:27,464 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 12:17:27,468 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 12:17:27,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 12:17:27,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2020-12-09 12:17:29,854 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11904 conjuctions. This might take some time... [2020-12-09 12:17:30,501 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 144 conjuctions. [2020-12-09 12:17:30,514 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2020-12-09 12:17:32,716 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11904 conjuctions. This might take some time... [2020-12-09 12:17:33,342 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 144 conjuctions. [2020-12-09 12:17:34,084 WARN L197 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 3760 [2020-12-09 12:20:32,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 12:20:32,369 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 12:20:32,380 INFO L168 Benchmark]: Toolchain (without parser) took 209780.37 ms. Allocated memory was 96.5 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 53.1 MB in the beginning and 437.4 MB in the end (delta: -384.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-09 12:20:32,380 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 96.5 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:20:32,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.40 ms. Allocated memory is still 96.5 MB. Free memory was 53.0 MB in the beginning and 59.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-12-09 12:20:32,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.52 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 42.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 12:20:32,382 INFO L168 Benchmark]: Boogie Preprocessor took 105.84 ms. Allocated memory is still 96.5 MB. Free memory was 42.2 MB in the beginning and 55.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:20:32,383 INFO L168 Benchmark]: RCFGBuilder took 21508.83 ms. Allocated memory was 96.5 MB in the beginning and 551.6 MB in the end (delta: 455.1 MB). Free memory was 55.6 MB in the beginning and 234.2 MB in the end (delta: -178.6 MB). Peak memory consumption was 410.7 MB. Max. memory is 16.1 GB. [2020-12-09 12:20:32,384 INFO L168 Benchmark]: TraceAbstraction took 187468.31 ms. Allocated memory was 551.6 MB in the beginning and 1.3 GB in the end (delta: 757.1 MB). Free memory was 234.2 MB in the beginning and 437.4 MB in the end (delta: -203.2 MB). Peak memory consumption was 801.3 MB. Max. memory is 16.1 GB. [2020-12-09 12:20:32,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 96.5 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.40 ms. Allocated memory is still 96.5 MB. Free memory was 53.0 MB in the beginning and 59.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.52 ms. Allocated memory is still 96.5 MB. Free memory was 59.4 MB in the beginning and 42.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.84 ms. Allocated memory is still 96.5 MB. Free memory was 42.2 MB in the beginning and 55.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21508.83 ms. Allocated memory was 96.5 MB in the beginning and 551.6 MB in the end (delta: 455.1 MB). Free memory was 55.6 MB in the beginning and 234.2 MB in the end (delta: -178.6 MB). Peak memory consumption was 410.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 187468.31 ms. Allocated memory was 551.6 MB in the beginning and 1.3 GB in the end (delta: 757.1 MB). Free memory was 234.2 MB in the beginning and 437.4 MB in the end (delta: -203.2 MB). Peak memory consumption was 801.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:20:33,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:20:33,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:20:33,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:20:33,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:20:33,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:20:33,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:20:33,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:20:33,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:20:33,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:20:33,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:20:33,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:20:33,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:20:33,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:20:33,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:20:33,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:20:33,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:20:33,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:20:33,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:20:33,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:20:33,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:20:33,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:20:34,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:20:34,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:20:34,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:20:34,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:20:34,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:20:34,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:20:34,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:20:34,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:20:34,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:20:34,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:20:34,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:20:34,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:20:34,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:20:34,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:20:34,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:20:34,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:20:34,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:20:34,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:20:34,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:20:34,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 12:20:34,037 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:20:34,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:20:34,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:20:34,038 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:20:34,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:20:34,038 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:20:34,038 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:20:34,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:20:34,038 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:20:34,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:20:34,039 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:20:34,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:20:34,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:20:34,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 12:20:34,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:20:34,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 12:20:34,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:20:34,040 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 12:20:34,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 12:20:34,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:20:34,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:20:34,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:20:34,043 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2291caba928db89f4f7b5c8ea69b5986b62c3d8c [2020-12-09 12:20:34,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:20:34,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:20:34,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:20:34,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:20:34,310 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:20:34,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2020-12-09 12:20:34,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/476bdd8d4/e6d74d3b8ef1405ea8e56f7384c4b7d4/FLAG17cc78afa [2020-12-09 12:20:34,827 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:20:34,827 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2020-12-09 12:20:34,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/476bdd8d4/e6d74d3b8ef1405ea8e56f7384c4b7d4/FLAG17cc78afa [2020-12-09 12:20:34,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/data/476bdd8d4/e6d74d3b8ef1405ea8e56f7384c4b7d4 [2020-12-09 12:20:34,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:20:34,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:20:34,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:20:34,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:20:34,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:20:34,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:20:34" (1/1) ... [2020-12-09 12:20:34,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39efdd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:34, skipping insertion in model container [2020-12-09 12:20:34,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:20:34" (1/1) ... [2020-12-09 12:20:34,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:20:34,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:20:35,072 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2020-12-09 12:20:35,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:20:35,250 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:20:35,284 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2020-12-09 12:20:35,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:20:35,412 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:20:35,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35 WrapperNode [2020-12-09 12:20:35,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:20:35,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:20:35,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:20:35,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:20:35,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:20:35,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:20:35,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:20:35,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:20:35,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... [2020-12-09 12:20:35,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:20:35,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:20:35,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:20:35,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:20:35,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/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 [2020-12-09 12:20:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 12:20:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:20:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:20:35,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:20:42,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:20:42,090 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 12:20:42,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:20:42 BoogieIcfgContainer [2020-12-09 12:20:42,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:20:42,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:20:42,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:20:42,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:20:42,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:20:34" (1/3) ... [2020-12-09 12:20:42,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dafa72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:20:42, skipping insertion in model container [2020-12-09 12:20:42,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:20:35" (2/3) ... [2020-12-09 12:20:42,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dafa72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:20:42, skipping insertion in model container [2020-12-09 12:20:42,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:20:42" (3/3) ... [2020-12-09 12:20:42,097 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2020-12-09 12:20:42,105 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:20:42,108 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:20:42,115 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:20:42,132 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:20:42,133 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 12:20:42,133 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:20:42,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:20:42,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:20:42,133 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:20:42,133 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:20:42,133 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:20:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-12-09 12:20:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-09 12:20:42,157 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:20:42,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:20:42,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:20:42,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:20:42,162 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2020-12-09 12:20:42,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:20:42,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781038996] [2020-12-09 12:20:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 12:20:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:20:42,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:20:42,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:20:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:20:42,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:20:42,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781038996] [2020-12-09 12:20:42,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:20:42,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:20:42,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549927724] [2020-12-09 12:20:42,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:20:42,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:20:42,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:20:42,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:20:42,411 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 3 states. [2020-12-09 12:20:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:20:50,127 INFO L93 Difference]: Finished difference Result 764 states and 1354 transitions. [2020-12-09 12:20:50,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:20:50,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-09 12:20:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:20:50,145 INFO L225 Difference]: With dead ends: 764 [2020-12-09 12:20:50,145 INFO L226 Difference]: Without dead ends: 417 [2020-12-09 12:20:50,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:20:50,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-12-09 12:20:50,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 408. [2020-12-09 12:20:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-09 12:20:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 604 transitions. [2020-12-09 12:20:50,192 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 604 transitions. Word has length 62 [2020-12-09 12:20:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:20:50,193 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 604 transitions. [2020-12-09 12:20:50,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:20:50,193 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 604 transitions. [2020-12-09 12:20:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-09 12:20:50,197 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:20:50,197 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, 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] [2020-12-09 12:20:50,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 12:20:50,398 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:20:50,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:20:50,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1876527833, now seen corresponding path program 1 times [2020-12-09 12:20:50,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:20:50,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25308585] [2020-12-09 12:20:50,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 12:20:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:20:50,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:20:50,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:20:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:20:50,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:20:50,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25308585] [2020-12-09 12:20:50,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:20:50,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:20:50,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110045787] [2020-12-09 12:20:50,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:20:50,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:20:50,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:20:50,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:20:50,600 INFO L87 Difference]: Start difference. First operand 408 states and 604 transitions. Second operand 3 states. [2020-12-09 12:20:57,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:20:57,981 INFO L93 Difference]: Finished difference Result 1188 states and 1764 transitions. [2020-12-09 12:20:57,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:20:57,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-12-09 12:20:57,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:20:57,991 INFO L225 Difference]: With dead ends: 1188 [2020-12-09 12:20:57,991 INFO L226 Difference]: Without dead ends: 782 [2020-12-09 12:20:57,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:20:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-12-09 12:20:58,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2020-12-09 12:20:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-12-09 12:20:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1052 transitions. [2020-12-09 12:20:58,018 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1052 transitions. Word has length 128 [2020-12-09 12:20:58,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:20:58,019 INFO L481 AbstractCegarLoop]: Abstraction has 782 states and 1052 transitions. [2020-12-09 12:20:58,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:20:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1052 transitions. [2020-12-09 12:20:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-09 12:20:58,021 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:20:58,021 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, 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] [2020-12-09 12:20:58,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 12:20:58,223 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:20:58,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:20:58,225 INFO L82 PathProgramCache]: Analyzing trace with hash -212016914, now seen corresponding path program 1 times [2020-12-09 12:20:58,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:20:58,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099625950] [2020-12-09 12:20:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 12:20:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:20:58,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:20:58,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:20:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-12-09 12:20:58,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:20:58,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099625950] [2020-12-09 12:20:58,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:20:58,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:20:58,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868263337] [2020-12-09 12:20:58,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:20:58,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:20:58,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:20:58,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:20:58,447 INFO L87 Difference]: Start difference. First operand 782 states and 1052 transitions. Second operand 3 states. [2020-12-09 12:21:05,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:21:05,666 INFO L93 Difference]: Finished difference Result 1931 states and 2544 transitions. [2020-12-09 12:21:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:21:05,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-12-09 12:21:05,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:21:05,686 INFO L225 Difference]: With dead ends: 1931 [2020-12-09 12:21:05,686 INFO L226 Difference]: Without dead ends: 1151 [2020-12-09 12:21:05,687 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 [2020-12-09 12:21:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2020-12-09 12:21:05,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1150. [2020-12-09 12:21:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2020-12-09 12:21:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1444 transitions. [2020-12-09 12:21:05,706 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1444 transitions. Word has length 138 [2020-12-09 12:21:05,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:21:05,706 INFO L481 AbstractCegarLoop]: Abstraction has 1150 states and 1444 transitions. [2020-12-09 12:21:05,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:21:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1444 transitions. [2020-12-09 12:21:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-09 12:21:05,709 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:21:05,709 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:21:05,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 12:21:05,911 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:21:05,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:21:05,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1298901279, now seen corresponding path program 1 times [2020-12-09 12:21:05,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:21:05,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148053708] [2020-12-09 12:21:05,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 12:21:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:21:06,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:21:06,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:21:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:21:06,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:21:06,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148053708] [2020-12-09 12:21:06,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:21:06,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 12:21:06,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200226067] [2020-12-09 12:21:06,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:21:06,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:21:06,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:21:06,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:21:06,180 INFO L87 Difference]: Start difference. First operand 1150 states and 1444 transitions. Second operand 3 states. [2020-12-09 12:21:13,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:21:13,947 INFO L93 Difference]: Finished difference Result 2314 states and 3055 transitions. [2020-12-09 12:21:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:21:13,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-12-09 12:21:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:21:13,958 INFO L225 Difference]: With dead ends: 2314 [2020-12-09 12:21:13,958 INFO L226 Difference]: Without dead ends: 1534 [2020-12-09 12:21:13,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:21:13,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-12-09 12:21:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1526. [2020-12-09 12:21:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-12-09 12:21:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1898 transitions. [2020-12-09 12:21:13,985 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1898 transitions. Word has length 189 [2020-12-09 12:21:13,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:21:13,985 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1898 transitions. [2020-12-09 12:21:13,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:21:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1898 transitions. [2020-12-09 12:21:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-09 12:21:13,988 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:21:13,989 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:21:14,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 12:21:14,190 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:21:14,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:21:14,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1505487192, now seen corresponding path program 1 times [2020-12-09 12:21:14,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:21:14,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059257516] [2020-12-09 12:21:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 12:21:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:21:14,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 12:21:14,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:21:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 119 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:21:14,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:21:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:21:15,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059257516] [2020-12-09 12:21:15,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 12:21:15,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 12:21:15,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965561471] [2020-12-09 12:21:15,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:21:15,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:21:15,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:21:15,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:21:15,440 INFO L87 Difference]: Start difference. First operand 1526 states and 1898 transitions. Second operand 3 states. [2020-12-09 12:21:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:21:39,726 INFO L93 Difference]: Finished difference Result 2493 states and 3284 transitions. [2020-12-09 12:21:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:21:39,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-12-09 12:21:39,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:21:39,739 INFO L225 Difference]: With dead ends: 2493 [2020-12-09 12:21:39,739 INFO L226 Difference]: Without dead ends: 1895 [2020-12-09 12:21:39,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 480 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:21:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2020-12-09 12:21:39,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1895. [2020-12-09 12:21:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-12-09 12:21:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2406 transitions. [2020-12-09 12:21:39,770 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2406 transitions. Word has length 243 [2020-12-09 12:21:39,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:21:39,771 INFO L481 AbstractCegarLoop]: Abstraction has 1895 states and 2406 transitions. [2020-12-09 12:21:39,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:21:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2406 transitions. [2020-12-09 12:21:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-12-09 12:21:39,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:21:39,774 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, 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, 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] [2020-12-09 12:21:39,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 12:21:39,975 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:21:39,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:21:39,975 INFO L82 PathProgramCache]: Analyzing trace with hash -487162176, now seen corresponding path program 1 times [2020-12-09 12:21:39,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:21:39,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293279368] [2020-12-09 12:21:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 12:21:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:21:40,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 12:21:40,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:21:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:21:40,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:21:41,950 WARN L197 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-09 12:21:44,181 WARN L197 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 16 [2020-12-09 12:21:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 79 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:21:44,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293279368] [2020-12-09 12:21:44,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1545933970] [2020-12-09 12:21:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:21:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:21:45,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 12:21:45,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:21:45,273 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-09 12:21:45,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:21:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-09 12:21:45,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 12:21:45,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 3] total 12 [2020-12-09 12:21:45,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236810378] [2020-12-09 12:21:45,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:21:45,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:21:45,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:21:45,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 12:21:45,603 INFO L87 Difference]: Start difference. First operand 1895 states and 2406 transitions. Second operand 3 states. [2020-12-09 12:21:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:21:57,196 INFO L93 Difference]: Finished difference Result 3232 states and 4325 transitions. [2020-12-09 12:21:57,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:21:57,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2020-12-09 12:21:57,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:21:57,214 INFO L225 Difference]: With dead ends: 3232 [2020-12-09 12:21:57,215 INFO L226 Difference]: Without dead ends: 2449 [2020-12-09 12:21:57,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 1001 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 12:21:57,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2449 states. [2020-12-09 12:21:57,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2449 to 2080. [2020-12-09 12:21:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2020-12-09 12:21:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2703 transitions. [2020-12-09 12:21:57,245 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2703 transitions. Word has length 254 [2020-12-09 12:21:57,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:21:57,246 INFO L481 AbstractCegarLoop]: Abstraction has 2080 states and 2703 transitions. [2020-12-09 12:21:57,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:21:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2703 transitions. [2020-12-09 12:21:57,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-12-09 12:21:57,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:21:57,249 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:21:57,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt [2020-12-09 12:21:57,651 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:21:57,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:21:57,653 INFO L82 PathProgramCache]: Analyzing trace with hash -2045906055, now seen corresponding path program 1 times [2020-12-09 12:21:57,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:21:57,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010944436] [2020-12-09 12:21:57,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 12:21:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:21:57,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:21:57,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:21:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 12:21:58,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:21:58,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010944436] [2020-12-09 12:21:58,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:21:58,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 12:21:58,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031009634] [2020-12-09 12:21:58,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:21:58,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:21:58,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:21:58,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:21:58,062 INFO L87 Difference]: Start difference. First operand 2080 states and 2703 transitions. Second operand 3 states. [2020-12-09 12:22:06,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:22:06,228 INFO L93 Difference]: Finished difference Result 4893 states and 6620 transitions. [2020-12-09 12:22:06,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:22:06,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2020-12-09 12:22:06,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:22:06,243 INFO L225 Difference]: With dead ends: 4893 [2020-12-09 12:22:06,243 INFO L226 Difference]: Without dead ends: 2998 [2020-12-09 12:22:06,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 12:22:06,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2020-12-09 12:22:06,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2813. [2020-12-09 12:22:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-12-09 12:22:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3649 transitions. [2020-12-09 12:22:06,276 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3649 transitions. Word has length 257 [2020-12-09 12:22:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:22:06,277 INFO L481 AbstractCegarLoop]: Abstraction has 2813 states and 3649 transitions. [2020-12-09 12:22:06,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:22:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3649 transitions. [2020-12-09 12:22:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-09 12:22:06,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:22:06,279 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, 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, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:22:06,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-09 12:22:06,481 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:22:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:22:06,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1060462334, now seen corresponding path program 1 times [2020-12-09 12:22:06,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:22:06,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787366768] [2020-12-09 12:22:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-12-09 12:22:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:22:06,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 12:22:06,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:22:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:22:07,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:22:08,658 WARN L197 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 16 [2020-12-09 12:22:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:22:09,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787366768] [2020-12-09 12:22:09,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1302569542] [2020-12-09 12:22:09,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:22:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:22:09,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 12:22:09,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:22:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-12-09 12:22:09,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:22:09,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 12:22:09,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 10 [2020-12-09 12:22:09,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721380739] [2020-12-09 12:22:09,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 12:22:09,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:22:09,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 12:22:09,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-12-09 12:22:09,607 INFO L87 Difference]: Start difference. First operand 2813 states and 3649 transitions. Second operand 5 states. [2020-12-09 12:22:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:22:22,564 INFO L93 Difference]: Finished difference Result 6705 states and 8886 transitions. [2020-12-09 12:22:22,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 12:22:22,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2020-12-09 12:22:22,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:22:22,596 INFO L225 Difference]: With dead ends: 6705 [2020-12-09 12:22:22,596 INFO L226 Difference]: Without dead ends: 4078 [2020-12-09 12:22:22,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 802 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-12-09 12:22:22,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2020-12-09 12:22:22,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 3732. [2020-12-09 12:22:22,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-12-09 12:22:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4735 transitions. [2020-12-09 12:22:22,641 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4735 transitions. Word has length 271 [2020-12-09 12:22:22,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:22:22,641 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4735 transitions. [2020-12-09 12:22:22,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 12:22:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4735 transitions. [2020-12-09 12:22:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-09 12:22:22,643 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:22:22,643 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:22:23,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt [2020-12-09 12:22:23,045 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:22:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:22:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2137053913, now seen corresponding path program 1 times [2020-12-09 12:22:23,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:22:23,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580217353] [2020-12-09 12:22:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 12:22:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:22:23,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:22:23,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:22:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 119 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:22:23,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:22:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:22:23,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580217353] [2020-12-09 12:22:23,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 12:22:23,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 12:22:23,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284104185] [2020-12-09 12:22:23,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:22:23,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:22:23,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:22:23,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:22:23,698 INFO L87 Difference]: Start difference. First operand 3732 states and 4735 transitions. Second operand 3 states. [2020-12-09 12:22:49,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:22:49,201 INFO L93 Difference]: Finished difference Result 8936 states and 11491 transitions. [2020-12-09 12:22:49,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:22:49,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 273 [2020-12-09 12:22:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:22:49,231 INFO L225 Difference]: With dead ends: 8936 [2020-12-09 12:22:49,232 INFO L226 Difference]: Without dead ends: 5574 [2020-12-09 12:22:49,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 540 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:22:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5574 states. [2020-12-09 12:22:49,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5574 to 5572. [2020-12-09 12:22:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5572 states. [2020-12-09 12:22:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5572 states to 5572 states and 6893 transitions. [2020-12-09 12:22:49,295 INFO L78 Accepts]: Start accepts. Automaton has 5572 states and 6893 transitions. Word has length 273 [2020-12-09 12:22:49,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:22:49,296 INFO L481 AbstractCegarLoop]: Abstraction has 5572 states and 6893 transitions. [2020-12-09 12:22:49,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:22:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5572 states and 6893 transitions. [2020-12-09 12:22:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-12-09 12:22:49,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:22:49,299 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:22:49,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-12-09 12:22:49,501 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:22:49,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:22:49,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1362103537, now seen corresponding path program 1 times [2020-12-09 12:22:49,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:22:49,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351642442] [2020-12-09 12:22:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 12:22:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:22:49,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 12:22:49,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:22:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-09 12:22:50,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:22:52,167 WARN L197 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 34 DAG size of output: 10 [2020-12-09 12:22:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 33 proven. 86 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-09 12:22:52,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351642442] [2020-12-09 12:22:52,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1961330466] [2020-12-09 12:22:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:22:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:22:52,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 12:22:52,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:22:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-12-09 12:22:53,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:22:53,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 12:22:53,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 10 [2020-12-09 12:22:53,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537528282] [2020-12-09 12:22:53,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 12:22:53,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:22:53,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 12:22:53,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-09 12:22:53,053 INFO L87 Difference]: Start difference. First operand 5572 states and 6893 transitions. Second operand 5 states. [2020-12-09 12:23:05,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:23:05,532 INFO L93 Difference]: Finished difference Result 11519 states and 14626 transitions. [2020-12-09 12:23:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:23:05,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2020-12-09 12:23:05,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:23:05,563 INFO L225 Difference]: With dead ends: 11519 [2020-12-09 12:23:05,563 INFO L226 Difference]: Without dead ends: 6870 [2020-12-09 12:23:05,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-09 12:23:05,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6870 states. [2020-12-09 12:23:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6870 to 6308. [2020-12-09 12:23:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6308 states. [2020-12-09 12:23:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6308 states to 6308 states and 7683 transitions. [2020-12-09 12:23:05,641 INFO L78 Accepts]: Start accepts. Automaton has 6308 states and 7683 transitions. Word has length 297 [2020-12-09 12:23:05,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:23:05,641 INFO L481 AbstractCegarLoop]: Abstraction has 6308 states and 7683 transitions. [2020-12-09 12:23:05,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 12:23:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6308 states and 7683 transitions. [2020-12-09 12:23:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-12-09 12:23:05,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:23:05,645 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 12:23:06,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3 [2020-12-09 12:23:06,046 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:23:06,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:23:06,048 INFO L82 PathProgramCache]: Analyzing trace with hash 910840011, now seen corresponding path program 1 times [2020-12-09 12:23:06,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:23:06,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715296761] [2020-12-09 12:23:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 12:23:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:23:06,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 12:23:06,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:23:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 179 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:23:06,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:23:08,182 WARN L197 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-09 12:23:10,376 WARN L197 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 13 [2020-12-09 12:23:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 258 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:23:10,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715296761] [2020-12-09 12:23:10,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [791735343] [2020-12-09 12:23:10,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:23:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:23:11,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:23:11,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:23:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-09 12:23:11,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:23:11,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 12:23:11,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 10 [2020-12-09 12:23:11,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751273544] [2020-12-09 12:23:11,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:23:11,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:23:11,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:23:11,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-09 12:23:11,344 INFO L87 Difference]: Start difference. First operand 6308 states and 7683 transitions. Second operand 3 states. [2020-12-09 12:23:16,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:23:16,852 INFO L93 Difference]: Finished difference Result 10768 states and 13343 transitions. [2020-12-09 12:23:16,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:23:16,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-12-09 12:23:16,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:23:16,865 INFO L225 Difference]: With dead ends: 10768 [2020-12-09 12:23:16,866 INFO L226 Difference]: Without dead ends: 6307 [2020-12-09 12:23:16,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1017 GetRequests, 1009 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-09 12:23:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6307 states. [2020-12-09 12:23:16,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6307 to 4462. [2020-12-09 12:23:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4462 states. [2020-12-09 12:23:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 5127 transitions. [2020-12-09 12:23:16,920 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 5127 transitions. Word has length 340 [2020-12-09 12:23:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:23:16,921 INFO L481 AbstractCegarLoop]: Abstraction has 4462 states and 5127 transitions. [2020-12-09 12:23:16,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:23:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 5127 transitions. [2020-12-09 12:23:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2020-12-09 12:23:16,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:23:16,924 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:23:17,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3 [2020-12-09 12:23:17,326 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:23:17,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:23:17,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1150896741, now seen corresponding path program 1 times [2020-12-09 12:23:17,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:23:17,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381848706] [2020-12-09 12:23:17,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-12-09 12:23:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:23:17,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:23:17,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:23:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 119 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:23:17,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:23:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:23:18,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381848706] [2020-12-09 12:23:18,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 12:23:18,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 12:23:18,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733809066] [2020-12-09 12:23:18,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:23:18,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:23:18,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:23:18,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:23:18,173 INFO L87 Difference]: Start difference. First operand 4462 states and 5127 transitions. Second operand 3 states. [2020-12-09 12:23:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:23:27,302 INFO L93 Difference]: Finished difference Result 10214 states and 11824 transitions. [2020-12-09 12:23:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:23:27,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2020-12-09 12:23:27,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:23:27,308 INFO L225 Difference]: With dead ends: 10214 [2020-12-09 12:23:27,308 INFO L226 Difference]: Without dead ends: 5938 [2020-12-09 12:23:27,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 682 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:23:27,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2020-12-09 12:23:27,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 5381. [2020-12-09 12:23:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5381 states. [2020-12-09 12:23:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5381 states to 5381 states and 6121 transitions. [2020-12-09 12:23:27,368 INFO L78 Accepts]: Start accepts. Automaton has 5381 states and 6121 transitions. Word has length 344 [2020-12-09 12:23:27,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:23:27,369 INFO L481 AbstractCegarLoop]: Abstraction has 5381 states and 6121 transitions. [2020-12-09 12:23:27,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:23:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5381 states and 6121 transitions. [2020-12-09 12:23:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-12-09 12:23:27,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:23:27,373 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, 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, 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, 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, 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, 1, 1] [2020-12-09 12:23:27,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-12-09 12:23:27,574 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:23:27,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:23:27,576 INFO L82 PathProgramCache]: Analyzing trace with hash 361434429, now seen corresponding path program 1 times [2020-12-09 12:23:27,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:23:27,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186094380] [2020-12-09 12:23:27,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-12-09 12:23:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:23:27,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 12:23:27,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:23:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:23:28,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:23:31,641 WARN L197 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 33 DAG size of output: 17 [2020-12-09 12:23:32,341 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 17 proven. 102 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 12:23:32,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186094380] [2020-12-09 12:23:32,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [16488395] [2020-12-09 12:23:32,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:23:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:23:32,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-09 12:23:32,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:23:33,637 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 12:23:33,638 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 12:23:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:23:34,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:23:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-09 12:23:34,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 12:23:34,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4, 8] total 16 [2020-12-09 12:23:34,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099947107] [2020-12-09 12:23:34,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:23:34,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:23:34,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:23:34,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-12-09 12:23:34,993 INFO L87 Difference]: Start difference. First operand 5381 states and 6121 transitions. Second operand 3 states. [2020-12-09 12:23:47,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:23:47,573 INFO L93 Difference]: Finished difference Result 11496 states and 13053 transitions. [2020-12-09 12:23:47,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:23:47,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 382 [2020-12-09 12:23:47,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:23:47,586 INFO L225 Difference]: With dead ends: 11496 [2020-12-09 12:23:47,587 INFO L226 Difference]: Without dead ends: 6117 [2020-12-09 12:23:47,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1524 GetRequests, 1507 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-12-09 12:23:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6117 states. [2020-12-09 12:23:47,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6117 to 5749. [2020-12-09 12:23:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5749 states. [2020-12-09 12:23:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5749 states to 5749 states and 6488 transitions. [2020-12-09 12:23:47,656 INFO L78 Accepts]: Start accepts. Automaton has 5749 states and 6488 transitions. Word has length 382 [2020-12-09 12:23:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:23:47,657 INFO L481 AbstractCegarLoop]: Abstraction has 5749 states and 6488 transitions. [2020-12-09 12:23:47,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:23:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5749 states and 6488 transitions. [2020-12-09 12:23:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2020-12-09 12:23:47,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:23:47,661 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:23:48,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt [2020-12-09 12:23:48,064 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:23:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:23:48,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2045509872, now seen corresponding path program 1 times [2020-12-09 12:23:48,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:23:48,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872188999] [2020-12-09 12:23:48,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2020-12-09 12:23:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:23:48,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:23:48,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:23:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 324 proven. 97 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 12:23:48,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:23:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 12:23:49,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872188999] [2020-12-09 12:23:49,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 12:23:49,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 12:23:49,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833857326] [2020-12-09 12:23:49,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:23:49,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:23:49,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:23:49,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:23:49,143 INFO L87 Difference]: Start difference. First operand 5749 states and 6488 transitions. Second operand 3 states. [2020-12-09 12:24:07,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:24:07,216 INFO L93 Difference]: Finished difference Result 12416 states and 13965 transitions. [2020-12-09 12:24:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:24:07,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 397 [2020-12-09 12:24:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:24:07,230 INFO L225 Difference]: With dead ends: 12416 [2020-12-09 12:24:07,230 INFO L226 Difference]: Without dead ends: 6669 [2020-12-09 12:24:07,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 792 GetRequests, 788 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:24:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6669 states. [2020-12-09 12:24:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6669 to 5933. [2020-12-09 12:24:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5933 states. [2020-12-09 12:24:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5933 states to 5933 states and 6648 transitions. [2020-12-09 12:24:07,298 INFO L78 Accepts]: Start accepts. Automaton has 5933 states and 6648 transitions. Word has length 397 [2020-12-09 12:24:07,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:24:07,298 INFO L481 AbstractCegarLoop]: Abstraction has 5933 states and 6648 transitions. [2020-12-09 12:24:07,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:24:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 5933 states and 6648 transitions. [2020-12-09 12:24:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-12-09 12:24:07,305 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:07,305 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2020-12-09 12:24:07,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2020-12-09 12:24:07,506 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:07,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:07,508 INFO L82 PathProgramCache]: Analyzing trace with hash 279811205, now seen corresponding path program 1 times [2020-12-09 12:24:07,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:24:07,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502001823] [2020-12-09 12:24:07,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2020-12-09 12:24:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:07,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:24:07,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 329 proven. 102 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 12:24:08,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:24:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 12:24:08,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502001823] [2020-12-09 12:24:08,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 12:24:08,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 12:24:08,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137937087] [2020-12-09 12:24:08,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:24:08,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:24:08,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:24:08,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:24:08,635 INFO L87 Difference]: Start difference. First operand 5933 states and 6648 transitions. Second operand 3 states. [2020-12-09 12:24:39,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:24:39,637 INFO L93 Difference]: Finished difference Result 12419 states and 13899 transitions. [2020-12-09 12:24:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:24:39,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 402 [2020-12-09 12:24:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:24:39,645 INFO L225 Difference]: With dead ends: 12419 [2020-12-09 12:24:39,645 INFO L226 Difference]: Without dead ends: 6304 [2020-12-09 12:24:39,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 798 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:24:39,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2020-12-09 12:24:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 5749. [2020-12-09 12:24:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5749 states. [2020-12-09 12:24:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5749 states to 5749 states and 6369 transitions. [2020-12-09 12:24:39,706 INFO L78 Accepts]: Start accepts. Automaton has 5749 states and 6369 transitions. Word has length 402 [2020-12-09 12:24:39,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:24:39,706 INFO L481 AbstractCegarLoop]: Abstraction has 5749 states and 6369 transitions. [2020-12-09 12:24:39,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:24:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5749 states and 6369 transitions. [2020-12-09 12:24:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-12-09 12:24:39,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:24:39,710 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 12:24:39,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3 [2020-12-09 12:24:39,911 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:24:39,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:24:39,912 INFO L82 PathProgramCache]: Analyzing trace with hash -776528378, now seen corresponding path program 1 times [2020-12-09 12:24:39,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:24:39,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426796775] [2020-12-09 12:24:39,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2020-12-09 12:24:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:40,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 12:24:40,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 179 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:24:40,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:24:40,987 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 12:24:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 397 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:24:42,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426796775] [2020-12-09 12:24:42,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1810102196] [2020-12-09 12:24:42,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:24:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:42,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:24:42,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 179 proven. 215 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-12-09 12:24:42,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:24:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 179 proven. 215 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-12-09 12:24:43,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429206054] [2020-12-09 12:24:43,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 12:24:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:24:43,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 12:24:43,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:24:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 179 proven. 215 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-12-09 12:24:43,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:24:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2020-12-09 12:24:44,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 12:24:44,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4, 3, 3, 3] total 13 [2020-12-09 12:24:44,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26411164] [2020-12-09 12:24:44,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 12:24:44,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:24:44,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 12:24:44,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-12-09 12:24:44,289 INFO L87 Difference]: Start difference. First operand 5749 states and 6369 transitions. Second operand 4 states. [2020-12-09 12:25:03,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:25:03,849 INFO L93 Difference]: Finished difference Result 10356 states and 11303 transitions. [2020-12-09 12:25:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 12:25:03,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 411 [2020-12-09 12:25:03,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:25:03,862 INFO L225 Difference]: With dead ends: 10356 [2020-12-09 12:25:03,862 INFO L226 Difference]: Without dead ends: 10354 [2020-12-09 12:25:03,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2462 GetRequests, 2447 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-12-09 12:25:03,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10354 states. [2020-12-09 12:25:03,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10354 to 5933. [2020-12-09 12:25:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5933 states. [2020-12-09 12:25:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5933 states to 5933 states and 6576 transitions. [2020-12-09 12:25:03,928 INFO L78 Accepts]: Start accepts. Automaton has 5933 states and 6576 transitions. Word has length 411 [2020-12-09 12:25:03,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:25:03,928 INFO L481 AbstractCegarLoop]: Abstraction has 5933 states and 6576 transitions. [2020-12-09 12:25:03,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 12:25:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5933 states and 6576 transitions. [2020-12-09 12:25:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-12-09 12:25:03,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:25:03,934 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:25:04,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt,22 mathsat -unsat_core_generation=3,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 12:25:04,536 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:25:04,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:25:04,537 INFO L82 PathProgramCache]: Analyzing trace with hash -645891690, now seen corresponding path program 1 times [2020-12-09 12:25:04,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:25:04,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736112999] [2020-12-09 12:25:04,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2020-12-09 12:25:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:25:04,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:25:04,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:25:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 239 proven. 399 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2020-12-09 12:25:05,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:25:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 239 proven. 399 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2020-12-09 12:25:05,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736112999] [2020-12-09 12:25:05,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1078912640] [2020-12-09 12:25:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:25:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:25:06,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 12:25:06,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:25:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-12-09 12:25:06,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:25:06,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 12:25:06,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 6 [2020-12-09 12:25:06,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965297971] [2020-12-09 12:25:06,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:25:06,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:25:06,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:25:06,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-09 12:25:06,434 INFO L87 Difference]: Start difference. First operand 5933 states and 6576 transitions. Second operand 3 states. [2020-12-09 12:25:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:25:15,735 INFO L93 Difference]: Finished difference Result 13703 states and 15157 transitions. [2020-12-09 12:25:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:25:15,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 515 [2020-12-09 12:25:15,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:25:15,740 INFO L225 Difference]: With dead ends: 13703 [2020-12-09 12:25:15,741 INFO L226 Difference]: Without dead ends: 6852 [2020-12-09 12:25:15,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1542 GetRequests, 1537 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-09 12:25:15,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2020-12-09 12:25:15,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6484. [2020-12-09 12:25:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6484 states. [2020-12-09 12:25:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 7103 transitions. [2020-12-09 12:25:15,807 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 7103 transitions. Word has length 515 [2020-12-09 12:25:15,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:25:15,808 INFO L481 AbstractCegarLoop]: Abstraction has 6484 states and 7103 transitions. [2020-12-09 12:25:15,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:25:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 7103 transitions. [2020-12-09 12:25:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-12-09 12:25:15,813 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:25:15,813 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:25:16,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt,25 mathsat -unsat_core_generation=3 [2020-12-09 12:25:16,216 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:25:16,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:25:16,217 INFO L82 PathProgramCache]: Analyzing trace with hash -236333549, now seen corresponding path program 1 times [2020-12-09 12:25:16,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:25:16,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629111999] [2020-12-09 12:25:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 27 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with mathsat -unsat_core_generation=3 [2020-12-09 12:25:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:25:16,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:25:16,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:25:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 505 proven. 81 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-12-09 12:25:16,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:25:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 586 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-12-09 12:25:17,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629111999] [2020-12-09 12:25:17,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 12:25:17,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 12:25:17,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644815759] [2020-12-09 12:25:17,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 12:25:17,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:25:17,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 12:25:17,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:25:17,634 INFO L87 Difference]: Start difference. First operand 6484 states and 7103 transitions. Second operand 3 states. [2020-12-09 12:25:29,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:25:29,937 INFO L93 Difference]: Finished difference Result 13334 states and 14589 transitions. [2020-12-09 12:25:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 12:25:29,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 522 [2020-12-09 12:25:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:25:29,949 INFO L225 Difference]: With dead ends: 13334 [2020-12-09 12:25:29,949 INFO L226 Difference]: Without dead ends: 6852 [2020-12-09 12:25:29,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 1038 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:25:29,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2020-12-09 12:25:30,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6484. [2020-12-09 12:25:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6484 states. [2020-12-09 12:25:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6484 states to 6484 states and 7064 transitions. [2020-12-09 12:25:30,012 INFO L78 Accepts]: Start accepts. Automaton has 6484 states and 7064 transitions. Word has length 522 [2020-12-09 12:25:30,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:25:30,012 INFO L481 AbstractCegarLoop]: Abstraction has 6484 states and 7064 transitions. [2020-12-09 12:25:30,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 12:25:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 6484 states and 7064 transitions. [2020-12-09 12:25:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-12-09 12:25:30,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:25:30,018 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:25:30,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 mathsat -unsat_core_generation=3 [2020-12-09 12:25:30,219 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:25:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:25:30,221 INFO L82 PathProgramCache]: Analyzing trace with hash -540773030, now seen corresponding path program 1 times [2020-12-09 12:25:30,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:25:30,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526596811] [2020-12-09 12:25:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2020-12-09 12:25:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:25:30,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:25:30,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:25:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 513 proven. 203 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-09 12:25:30,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:25:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 513 proven. 203 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-09 12:25:31,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526596811] [2020-12-09 12:25:31,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [505089962] [2020-12-09 12:25:31,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/cvc4 Starting monitored process 29 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with cvc4 --incremental --print-success --lang smt [2020-12-09 12:25:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:25:32,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 12:25:32,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:25:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 239 proven. 406 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-12-09 12:25:32,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:25:33,495 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 239 proven. 406 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-12-09 12:25:33,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507996602] [2020-12-09 12:25:33,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 12:25:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:25:33,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 12:25:33,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:25:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 513 proven. 203 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-12-09 12:25:34,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 12:25:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 715 proven. 82 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 12:25:34,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 12:25:34,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3, 3, 3, 4] total 6 [2020-12-09 12:25:34,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745001620] [2020-12-09 12:25:34,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 12:25:34,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:25:34,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 12:25:34,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-09 12:25:34,988 INFO L87 Difference]: Start difference. First operand 6484 states and 7064 transitions. Second operand 7 states. [2020-12-09 12:26:20,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:26:20,477 INFO L93 Difference]: Finished difference Result 14242 states and 15256 transitions. [2020-12-09 12:26:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 12:26:20,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 532 [2020-12-09 12:26:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:26:20,484 INFO L225 Difference]: With dead ends: 14242 [2020-12-09 12:26:20,485 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 12:26:20,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3187 GetRequests, 3180 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-12-09 12:26:20,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 12:26:20,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 12:26:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 12:26:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 12:26:20,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 532 [2020-12-09 12:26:20,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:26:20,490 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 12:26:20,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 12:26:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 12:26:20,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 12:26:21,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,29 cvc4 --incremental --print-success --lang smt,28 mathsat -unsat_core_generation=3 [2020-12-09 12:26:21,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 12:26:21,601 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-12-09 12:26:21,933 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-12-09 12:26:28,536 WARN L197 SmtUtils]: Spent 6.60 s on a formula simplification. DAG size of input: 258 DAG size of output: 119 [2020-12-09 12:26:35,338 WARN L197 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 258 DAG size of output: 119 [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-09 12:26:35,341 INFO L262 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,342 INFO L262 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,343 INFO L262 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L258 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) (bvadd ~a4~0 (_ bv4294967295 32))))) (let ((.cse10 (= (_ bv13 32) ~a25~0)) (.cse11 (not (bvslt (_ bv277 32) ~a29~0))) (.cse24 (not (bvslt (_ bv306 32) ~a23~0))) (.cse7 (= (_ bv12 32) ~a25~0)) (.cse3 (not (bvslt (_ bv245 32) ~a29~0))) (.cse17 (= (_ bv9 32) ~a25~0)) (.cse22 (not (bvslt (_ bv138 32) ~a23~0))) (.cse23 (not (bvsge (_ bv306 32) ~a23~0))) (.cse9 (= (_ bv10 32) ~a25~0)) (.cse20 (not (bvsle ~a29~0 (_ bv140 32)))) (.cse27 (not (= (_ bv0 32) (bvadd ~a8~0 (_ bv4294967281 32))))) (.cse25 (not (bvslt (_ bv140 32) ~a29~0))) (.cse12 (not (bvsge (_ bv245 32) ~a29~0))) (.cse28 (not (= (_ bv0 32) (bvadd ~a3~0 (_ bv4294967295 32))))) (.cse2 (not .cse6))) (let ((.cse19 (or .cse27 .cse25 .cse12 .cse28 .cse2)) (.cse18 (or (let ((.cse26 (not (bvsle ~a23~0 (_ bv4294967253 32))))) (and (or .cse20 .cse26) (or .cse27 .cse26 .cse12 .cse28) .cse17 (or .cse27 .cse22 .cse25 .cse23 .cse12 .cse28) .cse6)) (and .cse9 .cse20 .cse6))) (.cse16 (or .cse3 (not (bvsge (_ bv277 32) ~a29~0)))) (.cse14 (or .cse25 .cse12)) (.cse0 (or .cse11 .cse24 (not .cse7))) (.cse1 (or .cse11 .cse24 (not .cse10)))) (let ((.cse15 (or (and .cse16 .cse18 .cse14) (and .cse16 .cse20 .cse14 .cse0 (or .cse22 .cse23) .cse1 .cse6))) (.cse8 (not (bvslt (_ bv4294967253 32) (bvsdiv (bvadd ~a23~0 (_ bv4294367020 32)) (_ bv5 32))))) (.cse5 (let ((.cse21 (bvadd ~a23~0 (_ bv4294449302 32)))) (or (not (bvsge (_ bv306 32) .cse21)) (not (bvslt (_ bv138 32) .cse21))))) (.cse4 (or (and .cse10 .cse20 .cse11 .cse6) (and .cse20 .cse19 .cse11 .cse6))) (.cse13 (not (bvslt (_ bv4294967253 32) ~a23~0)))) (or (and .cse0 .cse1 (= (_ bv312 32) ~a23~0) .cse2) (and .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8) (and .cse9 .cse6 .cse8) (and .cse10 .cse11 .cse12 .cse13) (and .cse3 .cse0 .cse7 .cse13 .cse8) (and .cse10 .cse6 .cse8) (and .cse3 .cse14 .cse2 .cse13 .cse8) (and .cse4 .cse8) (and .cse9 .cse6 .cse13) (and .cse15 .cse8) (and .cse16 .cse17 .cse12 .cse2) (and .cse18 .cse19 .cse11) (and .cse15 .cse13) (and .cse0 .cse11 .cse12 .cse7 .cse2) (and .cse18 .cse8) (and .cse20 .cse0 .cse6 .cse7 .cse8) (and .cse5 .cse0 .cse6 .cse13 .cse7) (and .cse4 .cse13)))))) [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L265 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,344 INFO L262 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-12-09 12:26:35,345 INFO L262 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L258 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse6 (= (_ bv0 32) (bvadd ~a4~0 (_ bv4294967295 32))))) (let ((.cse10 (= (_ bv13 32) ~a25~0)) (.cse11 (not (bvslt (_ bv277 32) ~a29~0))) (.cse24 (not (bvslt (_ bv306 32) ~a23~0))) (.cse7 (= (_ bv12 32) ~a25~0)) (.cse3 (not (bvslt (_ bv245 32) ~a29~0))) (.cse17 (= (_ bv9 32) ~a25~0)) (.cse22 (not (bvslt (_ bv138 32) ~a23~0))) (.cse23 (not (bvsge (_ bv306 32) ~a23~0))) (.cse9 (= (_ bv10 32) ~a25~0)) (.cse20 (not (bvsle ~a29~0 (_ bv140 32)))) (.cse27 (not (= (_ bv0 32) (bvadd ~a8~0 (_ bv4294967281 32))))) (.cse25 (not (bvslt (_ bv140 32) ~a29~0))) (.cse12 (not (bvsge (_ bv245 32) ~a29~0))) (.cse28 (not (= (_ bv0 32) (bvadd ~a3~0 (_ bv4294967295 32))))) (.cse2 (not .cse6))) (let ((.cse19 (or .cse27 .cse25 .cse12 .cse28 .cse2)) (.cse18 (or (let ((.cse26 (not (bvsle ~a23~0 (_ bv4294967253 32))))) (and (or .cse20 .cse26) (or .cse27 .cse26 .cse12 .cse28) .cse17 (or .cse27 .cse22 .cse25 .cse23 .cse12 .cse28) .cse6)) (and .cse9 .cse20 .cse6))) (.cse16 (or .cse3 (not (bvsge (_ bv277 32) ~a29~0)))) (.cse14 (or .cse25 .cse12)) (.cse0 (or .cse11 .cse24 (not .cse7))) (.cse1 (or .cse11 .cse24 (not .cse10)))) (let ((.cse15 (or (and .cse16 .cse18 .cse14) (and .cse16 .cse20 .cse14 .cse0 (or .cse22 .cse23) .cse1 .cse6))) (.cse8 (not (bvslt (_ bv4294967253 32) (bvsdiv (bvadd ~a23~0 (_ bv4294367020 32)) (_ bv5 32))))) (.cse5 (let ((.cse21 (bvadd ~a23~0 (_ bv4294449302 32)))) (or (not (bvsge (_ bv306 32) .cse21)) (not (bvslt (_ bv138 32) .cse21))))) (.cse4 (or (and .cse10 .cse20 .cse11 .cse6) (and .cse20 .cse19 .cse11 .cse6))) (.cse13 (not (bvslt (_ bv4294967253 32) ~a23~0)))) (or (and .cse0 .cse1 (= (_ bv312 32) ~a23~0) .cse2) (and .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8) (and .cse9 .cse6 .cse8) (and .cse10 .cse11 .cse12 .cse13) (and .cse3 .cse0 .cse7 .cse13 .cse8) (and .cse10 .cse6 .cse8) (and .cse3 .cse14 .cse2 .cse13 .cse8) (and .cse4 .cse8) (and .cse9 .cse6 .cse13) (and .cse15 .cse8) (and .cse16 .cse17 .cse12 .cse2) (and .cse18 .cse19 .cse11) (and .cse15 .cse13) (and .cse0 .cse11 .cse12 .cse7 .cse2) (and .cse18 .cse8) (and .cse20 .cse0 .cse6 .cse7 .cse8) (and .cse5 .cse0 .cse6 .cse13 .cse7) (and .cse4 .cse13)))))) [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-12-09 12:26:35,346 INFO L262 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,347 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-09 12:26:35,348 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,349 INFO L262 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,350 INFO L262 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,351 INFO L262 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 12:26:35,352 INFO L262 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,353 INFO L262 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-12-09 12:26:35,354 INFO L262 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,355 INFO L262 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,355 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-09 12:26:35,355 INFO L262 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-12-09 12:26:35,355 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-09 12:26:35,355 INFO L262 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-12-09 12:26:35,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:26:35 BoogieIcfgContainer [2020-12-09 12:26:35,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 12:26:35,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 12:26:35,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 12:26:35,391 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 12:26:35,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:20:42" (3/4) ... [2020-12-09 12:26:35,393 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 12:26:35,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 12:26:35,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 12:26:35,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 12:26:35,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 12:26:35,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_46eaf76a-95b4-423d-ada9-9554fb02617a/bin/utaipan/witness.graphml [2020-12-09 12:26:35,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 12:26:35,541 INFO L168 Benchmark]: Toolchain (without parser) took 360688.75 ms. Allocated memory was 58.7 MB in the beginning and 343.9 MB in the end (delta: 285.2 MB). Free memory was 33.8 MB in the beginning and 98.2 MB in the end (delta: -64.4 MB). Peak memory consumption was 220.7 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,541 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 40.5 MB in the end (delta: 81.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:26:35,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.73 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.8 MB in the beginning and 32.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.46 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 45.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,542 INFO L168 Benchmark]: Boogie Preprocessor took 61.36 ms. Allocated memory is still 73.4 MB. Free memory was 45.1 MB in the beginning and 37.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,542 INFO L168 Benchmark]: RCFGBuilder took 6532.44 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 37.8 MB in the beginning and 38.3 MB in the end (delta: -508.7 kB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,543 INFO L168 Benchmark]: TraceAbstraction took 353297.50 ms. Allocated memory was 94.4 MB in the beginning and 343.9 MB in the end (delta: 249.6 MB). Free memory was 38.3 MB in the beginning and 126.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 246.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,543 INFO L168 Benchmark]: Witness Printer took 150.13 ms. Allocated memory is still 343.9 MB. Free memory was 125.5 MB in the beginning and 98.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-09 12:26:35,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 40.5 MB in the end (delta: 81.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 559.73 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.8 MB in the beginning and 32.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.46 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 45.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.36 ms. Allocated memory is still 73.4 MB. Free memory was 45.1 MB in the beginning and 37.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6532.44 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 37.8 MB in the beginning and 38.3 MB in the end (delta: -508.7 kB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 353297.50 ms. Allocated memory was 94.4 MB in the beginning and 343.9 MB in the end (delta: 249.6 MB). Free memory was 38.3 MB in the beginning and 126.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 246.1 MB. Max. memory is 16.1 GB. * Witness Printer took 150.13 ms. Allocated memory is still 343.9 MB. Free memory was 125.5 MB in the beginning and 98.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 202]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25)) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(13bv32 == a25))) && 312bv32 == a23) && !(0bv32 == ~bvadd64(a4, 4294967295bv32))) || (!~bvslt32(245bv32, a29) && ((((13bv32 == a25 && !~bvsle32(a29, 140bv32)) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || (((!~bvsle32(a29, 140bv32) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))))) || (((((!~bvsge32(306bv32, ~bvadd64(a23, 4294449302bv32)) || !~bvslt32(138bv32, ~bvadd64(a23, 4294449302bv32))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && 12bv32 == a25) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((10bv32 == a25 && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || (((13bv32 == a25 && !~bvslt32(277bv32, a29)) && !~bvsge32(245bv32, a29)) && !~bvslt32(4294967253bv32, a23))) || ((((!~bvslt32(245bv32, a29) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 12bv32 == a25) && !~bvslt32(4294967253bv32, a23)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((13bv32 == a25 && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((((!~bvslt32(245bv32, a29) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) && !(0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, a23)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || (((((13bv32 == a25 && !~bvsle32(a29, 140bv32)) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || (((!~bvsle32(a29, 140bv32) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((10bv32 == a25 && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, a23))) || (((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && ((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)))) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) || (((((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && !~bvsle32(a29, 140bv32)) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && (!~bvslt32(138bv32, a23) || !~bvsge32(306bv32, a23))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(13bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && 9bv32 == a25) && !~bvsge32(245bv32, a29)) && !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) || ((((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29))) || (((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && ((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)))) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) || (((((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && !~bvsle32(a29, 140bv32)) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && (!~bvslt32(138bv32, a23) || !~bvsge32(306bv32, a23))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(13bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, a23))) || ((((((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25)) && !~bvslt32(277bv32, a29)) && !~bvsge32(245bv32, a29)) && 12bv32 == a25) && !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) || (((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((((!~bvsle32(a29, 140bv32) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && 12bv32 == a25) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || (((((!~bvsge32(306bv32, ~bvadd64(a23, 4294449302bv32)) || !~bvslt32(138bv32, ~bvadd64(a23, 4294449302bv32))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, a23)) && 12bv32 == a25)) || (((((13bv32 == a25 && !~bvsle32(a29, 140bv32)) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || (((!~bvsle32(a29, 140bv32) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, a23)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25)) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(13bv32 == a25))) && 312bv32 == a23) && !(0bv32 == ~bvadd64(a4, 4294967295bv32))) || (!~bvslt32(245bv32, a29) && ((((13bv32 == a25 && !~bvsle32(a29, 140bv32)) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || (((!~bvsle32(a29, 140bv32) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))))) || (((((!~bvsge32(306bv32, ~bvadd64(a23, 4294449302bv32)) || !~bvslt32(138bv32, ~bvadd64(a23, 4294449302bv32))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && 12bv32 == a25) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((10bv32 == a25 && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || (((13bv32 == a25 && !~bvslt32(277bv32, a29)) && !~bvsge32(245bv32, a29)) && !~bvslt32(4294967253bv32, a23))) || ((((!~bvslt32(245bv32, a29) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 12bv32 == a25) && !~bvslt32(4294967253bv32, a23)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((13bv32 == a25 && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((((!~bvslt32(245bv32, a29) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) && !(0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, a23)) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || (((((13bv32 == a25 && !~bvsle32(a29, 140bv32)) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || (((!~bvsle32(a29, 140bv32) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((10bv32 == a25 && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, a23))) || (((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && ((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)))) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) || (((((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && !~bvsle32(a29, 140bv32)) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && (!~bvslt32(138bv32, a23) || !~bvsge32(306bv32, a23))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(13bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && 9bv32 == a25) && !~bvsge32(245bv32, a29)) && !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) || ((((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29))) || (((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && ((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)))) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) || (((((((!~bvslt32(245bv32, a29) || !~bvsge32(277bv32, a29)) && !~bvsle32(a29, 140bv32)) && (!~bvslt32(140bv32, a29) || !~bvsge32(245bv32, a29))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && (!~bvslt32(138bv32, a23) || !~bvsge32(306bv32, a23))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(13bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, a23))) || ((((((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25)) && !~bvslt32(277bv32, a29)) && !~bvsge32(245bv32, a29)) && 12bv32 == a25) && !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) || (((((((!~bvsle32(a29, 140bv32) || !~bvsle32(a23, 4294967253bv32)) && (((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvsle32(a23, 4294967253bv32)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 9bv32 == a25) && (((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(138bv32, a23)) || !~bvslt32(140bv32, a29)) || !~bvsge32(306bv32, a23)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32)))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || ((10bv32 == a25 && !~bvsle32(a29, 140bv32)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || ((((!~bvsle32(a29, 140bv32) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && 12bv32 == a25) && !~bvslt32(4294967253bv32, ~bvsdiv32(~bvadd64(a23, 4294367020bv32), 5bv32)))) || (((((!~bvsge32(306bv32, ~bvadd64(a23, 4294449302bv32)) || !~bvslt32(138bv32, ~bvadd64(a23, 4294449302bv32))) && ((!~bvslt32(277bv32, a29) || !~bvslt32(306bv32, a23)) || !(12bv32 == a25))) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) && !~bvslt32(4294967253bv32, a23)) && 12bv32 == a25)) || (((((13bv32 == a25 && !~bvsle32(a29, 140bv32)) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32)) || (((!~bvsle32(a29, 140bv32) && ((((!(0bv32 == ~bvadd64(a8, 4294967281bv32)) || !~bvslt32(140bv32, a29)) || !~bvsge32(245bv32, a29)) || !(0bv32 == ~bvadd64(a3, 4294967295bv32))) || !(0bv32 == ~bvadd64(a4, 4294967295bv32)))) && !~bvslt32(277bv32, a29)) && 0bv32 == ~bvadd64(a4, 4294967295bv32))) && !~bvslt32(4294967253bv32, a23)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 338.9s, OverallIterations: 19, TraceHistogramMax: 5, AutomataDifference: 288.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3340 SDtfs, 4378 SDslu, 464 SDs, 0 SdLazy, 13336 SolverSat, 2427 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 261.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17561 GetRequests, 17453 SyntacticMatches, 15 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 17.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6484occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 10700 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 105 NumberOfFragments, 2161 HoareAnnotationTreeSize, 3 FomulaSimplifications, 151046 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 169960 FormulaSimplificationTreeSizeReductionInter, 13.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 9902 NumberOfCodeBlocks, 9902 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 17558 ConstructedInterpolants, 0 QuantifiedInterpolants, 39871001 SizeOfPredicates, 48 NumberOfNonLiveVariables, 11954 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 49 InterpolantComputations, 18 PerfectInterpolantSequences, 14483/20195 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...