./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 963c90c0ca14dadcc060ab8f81569883db0a69a4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:04:59,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:04:59,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:04:59,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:04:59,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:04:59,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:04:59,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:04:59,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:04:59,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:04:59,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:04:59,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:04:59,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:04:59,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:04:59,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:04:59,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:04:59,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:04:59,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:04:59,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:04:59,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:04:59,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:04:59,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:04:59,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:04:59,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:04:59,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:04:59,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:04:59,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:04:59,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:04:59,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:04:59,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:04:59,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:04:59,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:04:59,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:04:59,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:04:59,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:04:59,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:04:59,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:04:59,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:04:59,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:04:59,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:04:59,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:04:59,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:04:59,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:04:59,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:04:59,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:04:59,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:04:59,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:04:59,483 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:04:59,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:04:59,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:04:59,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:04:59,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:04:59,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:04:59,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:04:59,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:04:59,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:04:59,487 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:04:59,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:04:59,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:04:59,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:04:59,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:04:59,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:04:59,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:04:59,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:04:59,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:04:59,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:04:59,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:04:59,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:04:59,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:04:59,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:04:59,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:04:59,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:04:59,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 963c90c0ca14dadcc060ab8f81569883db0a69a4 [2020-12-01 15:04:59,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:04:59,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:04:59,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:04:59,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:04:59,881 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:04:59,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label35.c [2020-12-01 15:04:59,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/data/b1ece95a9/daee476b1b824ea78a14533334af54fa/FLAG2df8b8ce5 [2020-12-01 15:05:00,800 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:05:00,801 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/sv-benchmarks/c/eca-rers2012/Problem11_label35.c [2020-12-01 15:05:00,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/data/b1ece95a9/daee476b1b824ea78a14533334af54fa/FLAG2df8b8ce5 [2020-12-01 15:05:00,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/data/b1ece95a9/daee476b1b824ea78a14533334af54fa [2020-12-01 15:05:00,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:05:00,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:05:01,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:05:01,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:05:01,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:05:01,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:05:00" (1/1) ... [2020-12-01 15:05:01,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc35052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:01, skipping insertion in model container [2020-12-01 15:05:01,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:05:00" (1/1) ... [2020-12-01 15:05:01,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:05:01,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:05:01,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:05:01,935 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:05:02,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:05:02,232 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:05:02,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02 WrapperNode [2020-12-01 15:05:02,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:05:02,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:05:02,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:05:02,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:05:02,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:05:02,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:05:02,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:05:02,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:05:02,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... [2020-12-01 15:05:02,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:05:02,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:05:02,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:05:02,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:05:02,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:05:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:05:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:05:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:05:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:05:05,349 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:05:05,349 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:05:05,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:05:05 BoogieIcfgContainer [2020-12-01 15:05:05,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:05:05,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:05:05,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:05:05,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:05:05,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:05:00" (1/3) ... [2020-12-01 15:05:05,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155e968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:05:05, skipping insertion in model container [2020-12-01 15:05:05,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:02" (2/3) ... [2020-12-01 15:05:05,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155e968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:05:05, skipping insertion in model container [2020-12-01 15:05:05,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:05:05" (3/3) ... [2020-12-01 15:05:05,365 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label35.c [2020-12-01 15:05:05,381 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:05:05,385 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:05:05,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:05:05,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:05:05,435 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:05:05,435 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:05:05,435 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:05:05,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:05:05,436 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:05:05,436 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:05:05,436 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:05:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-12-01 15:05:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 15:05:05,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:05,474 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] [2020-12-01 15:05:05,475 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:05,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:05,483 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-12-01 15:05:05,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:05,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483568577] [2020-12-01 15:05:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:05,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483568577] [2020-12-01 15:05:05,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:05,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:05:05,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446981711] [2020-12-01 15:05:05,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:05,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:05,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:05,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:05,995 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-12-01 15:05:07,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:07,992 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-12-01 15:05:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:07,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-01 15:05:07,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:08,044 INFO L225 Difference]: With dead ends: 762 [2020-12-01 15:05:08,044 INFO L226 Difference]: Without dead ends: 413 [2020-12-01 15:05:08,050 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 [2020-12-01 15:05:08,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-12-01 15:05:08,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-12-01 15:05:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-12-01 15:05:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-12-01 15:05:08,159 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 58 [2020-12-01 15:05:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:08,161 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-12-01 15:05:08,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-12-01 15:05:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-01 15:05:08,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:08,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:08,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:05:08,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:08,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:08,185 INFO L82 PathProgramCache]: Analyzing trace with hash 207715250, now seen corresponding path program 1 times [2020-12-01 15:05:08,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:08,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764819898] [2020-12-01 15:05:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:08,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764819898] [2020-12-01 15:05:08,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:08,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:05:08,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132804035] [2020-12-01 15:05:08,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:08,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:08,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:08,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:08,456 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-12-01 15:05:09,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:09,722 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-12-01 15:05:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:09,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-01 15:05:09,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:09,730 INFO L225 Difference]: With dead ends: 1211 [2020-12-01 15:05:09,731 INFO L226 Difference]: Without dead ends: 800 [2020-12-01 15:05:09,738 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 [2020-12-01 15:05:09,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-12-01 15:05:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-12-01 15:05:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-12-01 15:05:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2020-12-01 15:05:09,823 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 126 [2020-12-01 15:05:09,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:09,827 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2020-12-01 15:05:09,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2020-12-01 15:05:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 15:05:09,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:09,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:09,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:05:09,837 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:09,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:09,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1180402314, now seen corresponding path program 1 times [2020-12-01 15:05:09,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:09,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362252426] [2020-12-01 15:05:09,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:10,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362252426] [2020-12-01 15:05:10,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:10,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:05:10,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654665816] [2020-12-01 15:05:10,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:10,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:10,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:10,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:10,196 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand 3 states. [2020-12-01 15:05:11,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:11,466 INFO L93 Difference]: Finished difference Result 2314 states and 3184 transitions. [2020-12-01 15:05:11,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:11,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-01 15:05:11,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:11,478 INFO L225 Difference]: With dead ends: 2314 [2020-12-01 15:05:11,478 INFO L226 Difference]: Without dead ends: 1527 [2020-12-01 15:05:11,480 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 [2020-12-01 15:05:11,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-12-01 15:05:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-12-01 15:05:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-12-01 15:05:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2020-12-01 15:05:11,531 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 127 [2020-12-01 15:05:11,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:11,532 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2020-12-01 15:05:11,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2020-12-01 15:05:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 15:05:11,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:11,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:11,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:05:11,537 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:11,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:11,538 INFO L82 PathProgramCache]: Analyzing trace with hash 521599633, now seen corresponding path program 1 times [2020-12-01 15:05:11,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:11,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979843834] [2020-12-01 15:05:11,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:11,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979843834] [2020-12-01 15:05:11,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:11,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:11,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227104681] [2020-12-01 15:05:11,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:11,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:11,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:11,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:11,840 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand 3 states. [2020-12-01 15:05:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:13,180 INFO L93 Difference]: Finished difference Result 3614 states and 4471 transitions. [2020-12-01 15:05:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:13,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-12-01 15:05:13,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:13,199 INFO L225 Difference]: With dead ends: 3614 [2020-12-01 15:05:13,199 INFO L226 Difference]: Without dead ends: 2274 [2020-12-01 15:05:13,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-12-01 15:05:13,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1897. [2020-12-01 15:05:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2020-12-01 15:05:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2306 transitions. [2020-12-01 15:05:13,269 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2306 transitions. Word has length 185 [2020-12-01 15:05:13,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:13,272 INFO L481 AbstractCegarLoop]: Abstraction has 1897 states and 2306 transitions. [2020-12-01 15:05:13,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2306 transitions. [2020-12-01 15:05:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-12-01 15:05:13,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:13,280 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, 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] [2020-12-01 15:05:13,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:05:13,281 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1672205402, now seen corresponding path program 1 times [2020-12-01 15:05:13,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:13,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869543836] [2020-12-01 15:05:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 15:05:13,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869543836] [2020-12-01 15:05:13,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:13,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:13,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849777200] [2020-12-01 15:05:13,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:13,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:13,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:13,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:13,670 INFO L87 Difference]: Start difference. First operand 1897 states and 2306 transitions. Second operand 3 states. [2020-12-01 15:05:14,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:14,947 INFO L93 Difference]: Finished difference Result 4354 states and 5296 transitions. [2020-12-01 15:05:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:14,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-12-01 15:05:14,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:14,966 INFO L225 Difference]: With dead ends: 4354 [2020-12-01 15:05:14,966 INFO L226 Difference]: Without dead ends: 2275 [2020-12-01 15:05:14,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:14,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2020-12-01 15:05:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2265. [2020-12-01 15:05:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2265 states. [2020-12-01 15:05:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 2748 transitions. [2020-12-01 15:05:15,037 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 2748 transitions. Word has length 239 [2020-12-01 15:05:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:15,039 INFO L481 AbstractCegarLoop]: Abstraction has 2265 states and 2748 transitions. [2020-12-01 15:05:15,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2748 transitions. [2020-12-01 15:05:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 15:05:15,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:15,046 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, 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] [2020-12-01 15:05:15,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:05:15,046 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:15,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:15,047 INFO L82 PathProgramCache]: Analyzing trace with hash 205958505, now seen corresponding path program 1 times [2020-12-01 15:05:15,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:15,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317200425] [2020-12-01 15:05:15,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 15:05:15,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317200425] [2020-12-01 15:05:15,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:15,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:15,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173839359] [2020-12-01 15:05:15,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:15,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:15,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:15,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:15,328 INFO L87 Difference]: Start difference. First operand 2265 states and 2748 transitions. Second operand 3 states. [2020-12-01 15:05:16,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:16,728 INFO L93 Difference]: Finished difference Result 5087 states and 6238 transitions. [2020-12-01 15:05:16,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:16,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-12-01 15:05:16,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:16,749 INFO L225 Difference]: With dead ends: 5087 [2020-12-01 15:05:16,750 INFO L226 Difference]: Without dead ends: 2824 [2020-12-01 15:05:16,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2020-12-01 15:05:16,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2633. [2020-12-01 15:05:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2020-12-01 15:05:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3193 transitions. [2020-12-01 15:05:16,870 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3193 transitions. Word has length 240 [2020-12-01 15:05:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:16,875 INFO L481 AbstractCegarLoop]: Abstraction has 2633 states and 3193 transitions. [2020-12-01 15:05:16,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3193 transitions. [2020-12-01 15:05:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-12-01 15:05:16,883 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:16,884 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:05:16,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:05:16,886 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1428673655, now seen corresponding path program 1 times [2020-12-01 15:05:16,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:16,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60519319] [2020-12-01 15:05:16,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:17,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60519319] [2020-12-01 15:05:17,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:17,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:05:17,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301792519] [2020-12-01 15:05:17,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:17,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:17,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:17,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:17,293 INFO L87 Difference]: Start difference. First operand 2633 states and 3193 transitions. Second operand 4 states. [2020-12-01 15:05:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:19,891 INFO L93 Difference]: Finished difference Result 8420 states and 10435 transitions. [2020-12-01 15:05:19,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:19,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2020-12-01 15:05:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:19,934 INFO L225 Difference]: With dead ends: 8420 [2020-12-01 15:05:19,935 INFO L226 Difference]: Without dead ends: 5789 [2020-12-01 15:05:19,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:19,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5789 states. [2020-12-01 15:05:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5789 to 5418. [2020-12-01 15:05:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5418 states. [2020-12-01 15:05:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 6489 transitions. [2020-12-01 15:05:20,101 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 6489 transitions. Word has length 260 [2020-12-01 15:05:20,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:20,102 INFO L481 AbstractCegarLoop]: Abstraction has 5418 states and 6489 transitions. [2020-12-01 15:05:20,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 6489 transitions. [2020-12-01 15:05:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-12-01 15:05:20,111 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:20,112 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:05:20,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:05:20,112 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:20,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:20,113 INFO L82 PathProgramCache]: Analyzing trace with hash -76396994, now seen corresponding path program 1 times [2020-12-01 15:05:20,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:20,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059240864] [2020-12-01 15:05:20,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:20,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059240864] [2020-12-01 15:05:20,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:20,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:05:20,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573425278] [2020-12-01 15:05:20,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:20,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:20,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:20,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:20,474 INFO L87 Difference]: Start difference. First operand 5418 states and 6489 transitions. Second operand 4 states. [2020-12-01 15:05:23,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:23,093 INFO L93 Difference]: Finished difference Result 14344 states and 17467 transitions. [2020-12-01 15:05:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:23,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2020-12-01 15:05:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:23,157 INFO L225 Difference]: With dead ends: 14344 [2020-12-01 15:05:23,157 INFO L226 Difference]: Without dead ends: 8928 [2020-12-01 15:05:23,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:23,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2020-12-01 15:05:23,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8551. [2020-12-01 15:05:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8551 states. [2020-12-01 15:05:23,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8551 states to 8551 states and 10279 transitions. [2020-12-01 15:05:23,387 INFO L78 Accepts]: Start accepts. Automaton has 8551 states and 10279 transitions. Word has length 270 [2020-12-01 15:05:23,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:23,388 INFO L481 AbstractCegarLoop]: Abstraction has 8551 states and 10279 transitions. [2020-12-01 15:05:23,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:23,389 INFO L276 IsEmpty]: Start isEmpty. Operand 8551 states and 10279 transitions. [2020-12-01 15:05:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-12-01 15:05:23,398 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:23,398 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, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:05:23,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:05:23,399 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:23,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:23,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1715265399, now seen corresponding path program 1 times [2020-12-01 15:05:23,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:23,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194342949] [2020-12-01 15:05:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:23,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194342949] [2020-12-01 15:05:23,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:23,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:23,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441161264] [2020-12-01 15:05:23,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:23,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:23,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:23,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:23,667 INFO L87 Difference]: Start difference. First operand 8551 states and 10279 transitions. Second operand 3 states. [2020-12-01 15:05:25,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:25,097 INFO L93 Difference]: Finished difference Result 20820 states and 25202 transitions. [2020-12-01 15:05:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:25,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2020-12-01 15:05:25,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:25,148 INFO L225 Difference]: With dead ends: 20820 [2020-12-01 15:05:25,148 INFO L226 Difference]: Without dead ends: 12271 [2020-12-01 15:05:25,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2020-12-01 15:05:25,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 12267. [2020-12-01 15:05:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12267 states. [2020-12-01 15:05:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12267 states to 12267 states and 14623 transitions. [2020-12-01 15:05:25,446 INFO L78 Accepts]: Start accepts. Automaton has 12267 states and 14623 transitions. Word has length 270 [2020-12-01 15:05:25,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:25,447 INFO L481 AbstractCegarLoop]: Abstraction has 12267 states and 14623 transitions. [2020-12-01 15:05:25,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:25,447 INFO L276 IsEmpty]: Start isEmpty. Operand 12267 states and 14623 transitions. [2020-12-01 15:05:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-12-01 15:05:25,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:25,457 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:05:25,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:05:25,458 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:25,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:25,459 INFO L82 PathProgramCache]: Analyzing trace with hash 487217074, now seen corresponding path program 1 times [2020-12-01 15:05:25,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:25,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292888202] [2020-12-01 15:05:25,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 23 proven. 88 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-12-01 15:05:25,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292888202] [2020-12-01 15:05:25,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842093132] [2020-12-01 15:05:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:05:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:26,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:05:26,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:05:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-12-01 15:05:26,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:05:26,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:05:26,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008545990] [2020-12-01 15:05:26,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:26,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:26,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:26,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:05:26,805 INFO L87 Difference]: Start difference. First operand 12267 states and 14623 transitions. Second operand 3 states. [2020-12-01 15:05:28,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:28,574 INFO L93 Difference]: Finished difference Result 29315 states and 35139 transitions. [2020-12-01 15:05:28,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:28,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-12-01 15:05:28,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:28,619 INFO L225 Difference]: With dead ends: 29315 [2020-12-01 15:05:28,620 INFO L226 Difference]: Without dead ends: 16866 [2020-12-01 15:05:28,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:05:28,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16866 states. [2020-12-01 15:05:28,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16866 to 16126. [2020-12-01 15:05:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16126 states. [2020-12-01 15:05:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16126 states to 16126 states and 18909 transitions. [2020-12-01 15:05:28,947 INFO L78 Accepts]: Start accepts. Automaton has 16126 states and 18909 transitions. Word has length 272 [2020-12-01 15:05:28,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:28,948 INFO L481 AbstractCegarLoop]: Abstraction has 16126 states and 18909 transitions. [2020-12-01 15:05:28,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:28,948 INFO L276 IsEmpty]: Start isEmpty. Operand 16126 states and 18909 transitions. [2020-12-01 15:05:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 15:05:28,959 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:28,960 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:05:29,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 15:05:29,174 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:29,175 INFO L82 PathProgramCache]: Analyzing trace with hash 709544077, now seen corresponding path program 1 times [2020-12-01 15:05:29,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:29,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868861345] [2020-12-01 15:05:29,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-12-01 15:05:29,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868861345] [2020-12-01 15:05:29,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:29,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:29,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404456408] [2020-12-01 15:05:29,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:29,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:29,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:29,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:29,504 INFO L87 Difference]: Start difference. First operand 16126 states and 18909 transitions. Second operand 3 states. [2020-12-01 15:05:31,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:31,003 INFO L93 Difference]: Finished difference Result 32260 states and 37836 transitions. [2020-12-01 15:05:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:31,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-12-01 15:05:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:31,045 INFO L225 Difference]: With dead ends: 32260 [2020-12-01 15:05:31,045 INFO L226 Difference]: Without dead ends: 16136 [2020-12-01 15:05:31,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16136 states. [2020-12-01 15:05:31,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16136 to 16125. [2020-12-01 15:05:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16125 states. [2020-12-01 15:05:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 18433 transitions. [2020-12-01 15:05:31,433 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 18433 transitions. Word has length 277 [2020-12-01 15:05:31,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:31,434 INFO L481 AbstractCegarLoop]: Abstraction has 16125 states and 18433 transitions. [2020-12-01 15:05:31,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 18433 transitions. [2020-12-01 15:05:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-12-01 15:05:31,447 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:31,448 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:05:31,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 15:05:31,448 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:31,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:31,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1239383884, now seen corresponding path program 1 times [2020-12-01 15:05:31,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:31,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015663603] [2020-12-01 15:05:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:31,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015663603] [2020-12-01 15:05:31,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:31,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:31,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402561907] [2020-12-01 15:05:31,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:31,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:31,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:31,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:31,802 INFO L87 Difference]: Start difference. First operand 16125 states and 18433 transitions. Second operand 4 states. [2020-12-01 15:05:33,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:33,782 INFO L93 Difference]: Finished difference Result 30005 states and 34343 transitions. [2020-12-01 15:05:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:33,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2020-12-01 15:05:33,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:33,814 INFO L225 Difference]: With dead ends: 30005 [2020-12-01 15:05:33,815 INFO L226 Difference]: Without dead ends: 13514 [2020-12-01 15:05:33,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:33,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13514 states. [2020-12-01 15:05:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13514 to 10925. [2020-12-01 15:05:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10925 states. [2020-12-01 15:05:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 12148 transitions. [2020-12-01 15:05:34,016 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 12148 transitions. Word has length 291 [2020-12-01 15:05:34,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:34,017 INFO L481 AbstractCegarLoop]: Abstraction has 10925 states and 12148 transitions. [2020-12-01 15:05:34,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 12148 transitions. [2020-12-01 15:05:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-12-01 15:05:34,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:34,034 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:34,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-01 15:05:34,034 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:34,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:34,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1261395041, now seen corresponding path program 1 times [2020-12-01 15:05:34,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:34,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008597224] [2020-12-01 15:05:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2020-12-01 15:05:34,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008597224] [2020-12-01 15:05:34,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:34,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:34,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121638212] [2020-12-01 15:05:34,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:34,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:34,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:34,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:34,476 INFO L87 Difference]: Start difference. First operand 10925 states and 12148 transitions. Second operand 3 states. [2020-12-01 15:05:35,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:35,683 INFO L93 Difference]: Finished difference Result 23871 states and 26540 transitions. [2020-12-01 15:05:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:35,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2020-12-01 15:05:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:35,714 INFO L225 Difference]: With dead ends: 23871 [2020-12-01 15:05:35,715 INFO L226 Difference]: Without dead ends: 12948 [2020-12-01 15:05:35,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:05:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12948 states. [2020-12-01 15:05:35,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12948 to 8343. [2020-12-01 15:05:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8343 states. [2020-12-01 15:05:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8343 states to 8343 states and 9312 transitions. [2020-12-01 15:05:35,890 INFO L78 Accepts]: Start accepts. Automaton has 8343 states and 9312 transitions. Word has length 325 [2020-12-01 15:05:35,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:35,891 INFO L481 AbstractCegarLoop]: Abstraction has 8343 states and 9312 transitions. [2020-12-01 15:05:35,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 8343 states and 9312 transitions. [2020-12-01 15:05:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-12-01 15:05:35,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:35,903 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, 3, 3, 3, 3, 3, 3, 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, 1] [2020-12-01 15:05:35,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-01 15:05:35,903 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:35,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1853480627, now seen corresponding path program 1 times [2020-12-01 15:05:35,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:35,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017188994] [2020-12-01 15:05:35,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 267 proven. 74 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-01 15:05:36,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017188994] [2020-12-01 15:05:36,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293212642] [2020-12-01 15:05:36,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:05:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:36,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:05:36,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:05:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-12-01 15:05:37,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:05:37,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-01 15:05:37,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687295418] [2020-12-01 15:05:37,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:37,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:37,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:37,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:05:37,554 INFO L87 Difference]: Start difference. First operand 8343 states and 9312 transitions. Second operand 4 states. [2020-12-01 15:05:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:38,918 INFO L93 Difference]: Finished difference Result 19635 states and 21862 transitions. [2020-12-01 15:05:38,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:38,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 345 [2020-12-01 15:05:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:38,937 INFO L225 Difference]: With dead ends: 19635 [2020-12-01 15:05:38,938 INFO L226 Difference]: Without dead ends: 11294 [2020-12-01 15:05:38,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:05:38,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11294 states. [2020-12-01 15:05:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11294 to 11108. [2020-12-01 15:05:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11108 states. [2020-12-01 15:05:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 12348 transitions. [2020-12-01 15:05:39,185 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 12348 transitions. Word has length 345 [2020-12-01 15:05:39,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:39,185 INFO L481 AbstractCegarLoop]: Abstraction has 11108 states and 12348 transitions. [2020-12-01 15:05:39,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 12348 transitions. [2020-12-01 15:05:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-12-01 15:05:39,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:39,201 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:39,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-01 15:05:39,414 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:39,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:39,415 INFO L82 PathProgramCache]: Analyzing trace with hash 170136398, now seen corresponding path program 1 times [2020-12-01 15:05:39,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:39,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999392253] [2020-12-01 15:05:39,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-12-01 15:05:39,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999392253] [2020-12-01 15:05:39,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:39,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:05:39,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185911266] [2020-12-01 15:05:39,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:39,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:39,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:39,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:39,804 INFO L87 Difference]: Start difference. First operand 11108 states and 12348 transitions. Second operand 4 states. [2020-12-01 15:05:41,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:41,911 INFO L93 Difference]: Finished difference Result 26277 states and 29190 transitions. [2020-12-01 15:05:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:41,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 367 [2020-12-01 15:05:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:41,943 INFO L225 Difference]: With dead ends: 26277 [2020-12-01 15:05:41,943 INFO L226 Difference]: Without dead ends: 13693 [2020-12-01 15:05:41,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13693 states. [2020-12-01 15:05:42,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13693 to 10365. [2020-12-01 15:05:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10365 states. [2020-12-01 15:05:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10365 states to 10365 states and 11425 transitions. [2020-12-01 15:05:42,178 INFO L78 Accepts]: Start accepts. Automaton has 10365 states and 11425 transitions. Word has length 367 [2020-12-01 15:05:42,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:42,179 INFO L481 AbstractCegarLoop]: Abstraction has 10365 states and 11425 transitions. [2020-12-01 15:05:42,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 10365 states and 11425 transitions. [2020-12-01 15:05:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-12-01 15:05:42,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:42,201 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:42,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 15:05:42,202 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:42,203 INFO L82 PathProgramCache]: Analyzing trace with hash -444647589, now seen corresponding path program 1 times [2020-12-01 15:05:42,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:42,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639338084] [2020-12-01 15:05:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-12-01 15:05:42,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639338084] [2020-12-01 15:05:42,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:42,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:42,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813941758] [2020-12-01 15:05:42,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:42,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:42,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:42,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:42,766 INFO L87 Difference]: Start difference. First operand 10365 states and 11425 transitions. Second operand 4 states. [2020-12-01 15:05:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:44,542 INFO L93 Difference]: Finished difference Result 27559 states and 30332 transitions. [2020-12-01 15:05:44,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:44,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 395 [2020-12-01 15:05:44,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:44,564 INFO L225 Difference]: With dead ends: 27559 [2020-12-01 15:05:44,564 INFO L226 Difference]: Without dead ends: 17196 [2020-12-01 15:05:44,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17196 states. [2020-12-01 15:05:44,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17196 to 16079. [2020-12-01 15:05:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16079 states. [2020-12-01 15:05:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16079 states to 16079 states and 17682 transitions. [2020-12-01 15:05:44,842 INFO L78 Accepts]: Start accepts. Automaton has 16079 states and 17682 transitions. Word has length 395 [2020-12-01 15:05:44,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:44,843 INFO L481 AbstractCegarLoop]: Abstraction has 16079 states and 17682 transitions. [2020-12-01 15:05:44,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16079 states and 17682 transitions. [2020-12-01 15:05:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-12-01 15:05:44,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:44,870 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:44,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-01 15:05:44,871 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:44,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:44,871 INFO L82 PathProgramCache]: Analyzing trace with hash -454976631, now seen corresponding path program 1 times [2020-12-01 15:05:44,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:44,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414065290] [2020-12-01 15:05:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-12-01 15:05:45,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414065290] [2020-12-01 15:05:45,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:45,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:05:45,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190242132] [2020-12-01 15:05:45,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:05:45,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:45,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:05:45,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:45,282 INFO L87 Difference]: Start difference. First operand 16079 states and 17682 transitions. Second operand 4 states. [2020-12-01 15:05:47,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:47,288 INFO L93 Difference]: Finished difference Result 31245 states and 34381 transitions. [2020-12-01 15:05:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:05:47,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 415 [2020-12-01 15:05:47,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:47,312 INFO L225 Difference]: With dead ends: 31245 [2020-12-01 15:05:47,313 INFO L226 Difference]: Without dead ends: 17380 [2020-12-01 15:05:47,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:05:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17380 states. [2020-12-01 15:05:47,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17380 to 16263. [2020-12-01 15:05:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16263 states. [2020-12-01 15:05:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16263 states to 16263 states and 17879 transitions. [2020-12-01 15:05:47,591 INFO L78 Accepts]: Start accepts. Automaton has 16263 states and 17879 transitions. Word has length 415 [2020-12-01 15:05:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:47,592 INFO L481 AbstractCegarLoop]: Abstraction has 16263 states and 17879 transitions. [2020-12-01 15:05:47,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:05:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 16263 states and 17879 transitions. [2020-12-01 15:05:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2020-12-01 15:05:47,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:47,616 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, 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, 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] [2020-12-01 15:05:47,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-01 15:05:47,617 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:47,618 INFO L82 PathProgramCache]: Analyzing trace with hash -278235386, now seen corresponding path program 1 times [2020-12-01 15:05:47,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:47,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828884612] [2020-12-01 15:05:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 412 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:48,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828884612] [2020-12-01 15:05:48,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925515504] [2020-12-01 15:05:48,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:05:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:48,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:05:48,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:05:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-12-01 15:05:49,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:05:49,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-12-01 15:05:49,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922649977] [2020-12-01 15:05:49,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:05:49,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:49,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:05:49,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:05:49,477 INFO L87 Difference]: Start difference. First operand 16263 states and 17879 transitions. Second operand 3 states. [2020-12-01 15:05:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:50,750 INFO L93 Difference]: Finished difference Result 36025 states and 39655 transitions. [2020-12-01 15:05:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:05:50,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 462 [2020-12-01 15:05:50,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:50,772 INFO L225 Difference]: With dead ends: 36025 [2020-12-01 15:05:50,772 INFO L226 Difference]: Without dead ends: 20132 [2020-12-01 15:05:50,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:05:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20132 states. [2020-12-01 15:05:51,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20132 to 16081. [2020-12-01 15:05:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16081 states. [2020-12-01 15:05:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16081 states to 16081 states and 17534 transitions. [2020-12-01 15:05:51,122 INFO L78 Accepts]: Start accepts. Automaton has 16081 states and 17534 transitions. Word has length 462 [2020-12-01 15:05:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:51,123 INFO L481 AbstractCegarLoop]: Abstraction has 16081 states and 17534 transitions. [2020-12-01 15:05:51,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:05:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 16081 states and 17534 transitions. [2020-12-01 15:05:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2020-12-01 15:05:51,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:51,144 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:51,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-01 15:05:51,358 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:51,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1803230976, now seen corresponding path program 1 times [2020-12-01 15:05:51,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:51,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490346842] [2020-12-01 15:05:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 154 proven. 346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:52,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490346842] [2020-12-01 15:05:52,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988830367] [2020-12-01 15:05:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:05:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:52,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:05:52,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:05:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 154 proven. 346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:54,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:05:54,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-01 15:05:54,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968253442] [2020-12-01 15:05:54,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-01 15:05:54,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:54,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-01 15:05:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:05:54,207 INFO L87 Difference]: Start difference. First operand 16081 states and 17534 transitions. Second operand 9 states. [2020-12-01 15:06:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:00,585 INFO L93 Difference]: Finished difference Result 34373 states and 37475 transitions. [2020-12-01 15:06:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 15:06:00,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 470 [2020-12-01 15:06:00,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:00,674 INFO L225 Difference]: With dead ends: 34373 [2020-12-01 15:06:00,674 INFO L226 Difference]: Without dead ends: 20506 [2020-12-01 15:06:00,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 466 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-12-01 15:06:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20506 states. [2020-12-01 15:06:01,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20506 to 17185. [2020-12-01 15:06:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17185 states. [2020-12-01 15:06:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17185 states to 17185 states and 18694 transitions. [2020-12-01 15:06:01,190 INFO L78 Accepts]: Start accepts. Automaton has 17185 states and 18694 transitions. Word has length 470 [2020-12-01 15:06:01,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:01,193 INFO L481 AbstractCegarLoop]: Abstraction has 17185 states and 18694 transitions. [2020-12-01 15:06:01,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-01 15:06:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17185 states and 18694 transitions. [2020-12-01 15:06:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2020-12-01 15:06:01,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:01,231 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, 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, 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] [2020-12-01 15:06:01,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:06:01,446 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:01,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:01,447 INFO L82 PathProgramCache]: Analyzing trace with hash -485286015, now seen corresponding path program 1 times [2020-12-01 15:06:01,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:06:01,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461145530] [2020-12-01 15:06:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:06:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2020-12-01 15:06:02,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461145530] [2020-12-01 15:06:02,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:06:02,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:06:02,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982780906] [2020-12-01 15:06:02,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:06:02,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:06:02,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:06:02,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:06:02,078 INFO L87 Difference]: Start difference. First operand 17185 states and 18694 transitions. Second operand 4 states. [2020-12-01 15:06:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:04,147 INFO L93 Difference]: Finished difference Result 36215 states and 39484 transitions. [2020-12-01 15:06:04,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:06:04,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 521 [2020-12-01 15:06:04,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:04,174 INFO L225 Difference]: With dead ends: 36215 [2020-12-01 15:06:04,174 INFO L226 Difference]: Without dead ends: 21428 [2020-12-01 15:06:04,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:06:04,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21428 states. [2020-12-01 15:06:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21428 to 18841. [2020-12-01 15:06:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18841 states. [2020-12-01 15:06:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18841 states to 18841 states and 20547 transitions. [2020-12-01 15:06:04,578 INFO L78 Accepts]: Start accepts. Automaton has 18841 states and 20547 transitions. Word has length 521 [2020-12-01 15:06:04,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:04,580 INFO L481 AbstractCegarLoop]: Abstraction has 18841 states and 20547 transitions. [2020-12-01 15:06:04,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:06:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 18841 states and 20547 transitions. [2020-12-01 15:06:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-12-01 15:06:04,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:04,610 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2020-12-01 15:06:04,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-01 15:06:04,610 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:04,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:04,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1937805046, now seen corresponding path program 2 times [2020-12-01 15:06:04,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:06:04,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332096852] [2020-12-01 15:06:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:06:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 911 proven. 92 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-12-01 15:06:06,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332096852] [2020-12-01 15:06:06,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023708768] [2020-12-01 15:06:06,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:06:06,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-01 15:06:06,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 15:06:06,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:06:06,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:06:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 887 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2020-12-01 15:06:07,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:06:07,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2020-12-01 15:06:07,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804930022] [2020-12-01 15:06:07,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:06:07,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:06:07,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:06:07,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:06:07,610 INFO L87 Difference]: Start difference. First operand 18841 states and 20547 transitions. Second operand 4 states. [2020-12-01 15:06:09,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:09,132 INFO L93 Difference]: Finished difference Result 37493 states and 40884 transitions. [2020-12-01 15:06:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:06:09,133 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 547 [2020-12-01 15:06:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:09,163 INFO L225 Difference]: With dead ends: 37493 [2020-12-01 15:06:09,163 INFO L226 Difference]: Without dead ends: 21050 [2020-12-01 15:06:09,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:06:09,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21050 states. [2020-12-01 15:06:09,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21050 to 12577. [2020-12-01 15:06:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12577 states. [2020-12-01 15:06:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12577 states to 12577 states and 13699 transitions. [2020-12-01 15:06:09,385 INFO L78 Accepts]: Start accepts. Automaton has 12577 states and 13699 transitions. Word has length 547 [2020-12-01 15:06:09,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:09,385 INFO L481 AbstractCegarLoop]: Abstraction has 12577 states and 13699 transitions. [2020-12-01 15:06:09,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:06:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12577 states and 13699 transitions. [2020-12-01 15:06:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2020-12-01 15:06:09,395 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:09,396 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:06:09,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-12-01 15:06:09,598 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:09,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:09,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1047473608, now seen corresponding path program 1 times [2020-12-01 15:06:09,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:06:09,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704871734] [2020-12-01 15:06:09,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:06:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-12-01 15:06:10,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704871734] [2020-12-01 15:06:10,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:06:10,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:06:10,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086993279] [2020-12-01 15:06:10,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:06:10,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:06:10,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:06:10,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:06:10,235 INFO L87 Difference]: Start difference. First operand 12577 states and 13699 transitions. Second operand 3 states. [2020-12-01 15:06:11,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:11,313 INFO L93 Difference]: Finished difference Result 25535 states and 27796 transitions. [2020-12-01 15:06:11,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:06:11,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 558 [2020-12-01 15:06:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:11,336 INFO L225 Difference]: With dead ends: 25535 [2020-12-01 15:06:11,336 INFO L226 Difference]: Without dead ends: 12959 [2020-12-01 15:06:11,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:06:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12959 states. [2020-12-01 15:06:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12959 to 11840. [2020-12-01 15:06:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11840 states. [2020-12-01 15:06:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11840 states to 11840 states and 12783 transitions. [2020-12-01 15:06:11,497 INFO L78 Accepts]: Start accepts. Automaton has 11840 states and 12783 transitions. Word has length 558 [2020-12-01 15:06:11,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:11,498 INFO L481 AbstractCegarLoop]: Abstraction has 11840 states and 12783 transitions. [2020-12-01 15:06:11,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:06:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 11840 states and 12783 transitions. [2020-12-01 15:06:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2020-12-01 15:06:11,514 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:11,515 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:06:11,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-01 15:06:11,515 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:11,516 INFO L82 PathProgramCache]: Analyzing trace with hash 592417714, now seen corresponding path program 1 times [2020-12-01 15:06:11,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:06:11,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597791348] [2020-12-01 15:06:11,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:06:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2020-12-01 15:06:12,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597791348] [2020-12-01 15:06:12,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:06:12,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:06:12,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878246453] [2020-12-01 15:06:12,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:06:12,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:06:12,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:06:12,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:06:12,286 INFO L87 Difference]: Start difference. First operand 11840 states and 12783 transitions. Second operand 3 states. [2020-12-01 15:06:13,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:13,266 INFO L93 Difference]: Finished difference Result 24593 states and 26510 transitions. [2020-12-01 15:06:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:06:13,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 658 [2020-12-01 15:06:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:13,268 INFO L225 Difference]: With dead ends: 24593 [2020-12-01 15:06:13,268 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:06:13,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:06:13,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:06:13,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:06:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:06:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:06:13,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 658 [2020-12-01 15:06:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:13,276 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:06:13,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:06:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:06:13,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:06:13,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-01 15:06:13,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:06:14,437 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 520 DAG size of output: 370 [2020-12-01 15:06:15,503 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 520 DAG size of output: 370 [2020-12-01 15:06:18,320 WARN L197 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 347 DAG size of output: 88 [2020-12-01 15:06:20,694 WARN L197 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 347 DAG size of output: 88 [2020-12-01 15:06:20,697 INFO L262 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,698 INFO L262 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,699 INFO L262 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,699 INFO L262 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-01 15:06:20,699 INFO L262 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-12-01 15:06:20,699 INFO L262 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-12-01 15:06:20,699 INFO L262 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,699 INFO L262 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,700 INFO L262 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,700 INFO L262 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,700 INFO L262 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,700 INFO L262 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,700 INFO L262 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,700 INFO L262 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,701 INFO L262 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-12-01 15:06:20,702 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-12-01 15:06:20,702 INFO L262 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,702 INFO L262 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,702 INFO L262 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,702 INFO L262 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,702 INFO L262 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,703 INFO L262 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,704 INFO L258 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse10 (<= 307 ~a23~0)) (.cse12 (<= ~a29~0 220)) (.cse9 (<= ~a29~0 277)) (.cse16 (<= 312 ~a23~0)) (.cse7 (= ~a25~0 13)) (.cse13 (= ~a25~0 10)) (.cse15 (<= ~a29~0 140)) (.cse4 (= ~a25~0 11)) (.cse11 (= ~a25~0 12)) (.cse2 (<= ~a23~0 262)) (.cse14 (= ~a25~0 9)) (.cse6 (= ~a4~0 0)) (.cse8 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a29~0 275)) (.cse1 (<= ~a25~0 10)) (.cse5 (< 245 ~a29~0)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2) (and .cse7 (<= ~a29~0 206675) .cse3) (and .cse4 (<= (+ ~a29~0 275802) 0) .cse8) (and .cse1 .cse9 .cse5 .cse10 .cse3) (and .cse10 .cse11 .cse12 .cse3) (and .cse6 .cse13 .cse8) (and .cse7 .cse2 .cse3) (and .cse11 .cse2 .cse3) (and .cse13 .cse10 .cse3) (and .cse14 .cse6 .cse15 .cse2) (and .cse0 .cse13 .cse3) (and .cse4 .cse6 .cse8) (and .cse14 .cse3) (and .cse1 .cse8 .cse3) (and (<= (+ ~a29~0 193244) 0) .cse16 .cse1 .cse3) (and .cse11 .cse8 .cse12) (and .cse9 .cse5 .cse11 .cse3) (and (<= ~a29~0 206678) (< 306 ~a23~0) .cse7 .cse3) (and .cse0 .cse16 .cse11 .cse3) (and .cse6 .cse7 .cse2) (and .cse14 (<= (+ ~a29~0 275824) 0) .cse8) (and .cse6 .cse13 .cse15) (and .cse4 .cse3) (and .cse0 .cse6 .cse11) (and .cse6 .cse11 .cse2) (and .cse14 .cse6 .cse8) (and .cse0 .cse1 .cse5 .cse3))) [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,705 INFO L262 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,706 INFO L262 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,706 INFO L262 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,706 INFO L262 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-01 15:06:20,706 INFO L262 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-12-01 15:06:20,706 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-01 15:06:20,706 INFO L265 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-12-01 15:06:20,707 INFO L262 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,707 INFO L262 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,707 INFO L262 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,707 INFO L262 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,707 INFO L262 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,707 INFO L262 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,708 INFO L262 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,709 INFO L262 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,709 INFO L262 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,709 INFO L262 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,709 INFO L262 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,709 INFO L262 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,709 INFO L262 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,710 INFO L262 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-12-01 15:06:20,710 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-01 15:06:20,710 INFO L262 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-12-01 15:06:20,710 INFO L262 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,711 INFO L258 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse10 (<= 307 ~a23~0)) (.cse12 (<= ~a29~0 220)) (.cse9 (<= ~a29~0 277)) (.cse16 (<= 312 ~a23~0)) (.cse7 (= ~a25~0 13)) (.cse13 (= ~a25~0 10)) (.cse15 (<= ~a29~0 140)) (.cse4 (= ~a25~0 11)) (.cse11 (= ~a25~0 12)) (.cse2 (<= ~a23~0 262)) (.cse14 (= ~a25~0 9)) (.cse6 (= ~a4~0 0)) (.cse8 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a29~0 275)) (.cse1 (<= ~a25~0 10)) (.cse5 (< 245 ~a29~0)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2) (and .cse7 (<= ~a29~0 206675) .cse3) (and .cse4 (<= (+ ~a29~0 275802) 0) .cse8) (and .cse1 .cse9 .cse5 .cse10 .cse3) (and .cse10 .cse11 .cse12 .cse3) (and .cse6 .cse13 .cse8) (and .cse7 .cse2 .cse3) (and .cse11 .cse2 .cse3) (and .cse13 .cse10 .cse3) (and .cse14 .cse6 .cse15 .cse2) (and .cse0 .cse13 .cse3) (and .cse4 .cse6 .cse8) (and .cse14 .cse3) (and .cse1 .cse8 .cse3) (and (<= (+ ~a29~0 193244) 0) .cse16 .cse1 .cse3) (and .cse11 .cse8 .cse12) (and .cse9 .cse5 .cse11 .cse3) (and (<= ~a29~0 206678) (< 306 ~a23~0) .cse7 .cse3) (and .cse0 .cse16 .cse11 .cse3) (and .cse6 .cse7 .cse2) (and .cse14 (<= (+ ~a29~0 275824) 0) .cse8) (and .cse6 .cse13 .cse15) (and .cse4 .cse3) (and .cse0 .cse6 .cse11) (and .cse6 .cse11 .cse2) (and .cse14 .cse6 .cse8) (and .cse0 .cse1 .cse5 .cse3))) [2020-12-01 15:06:20,711 INFO L262 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,711 INFO L262 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,711 INFO L262 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,711 INFO L262 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-12-01 15:06:20,712 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,713 INFO L262 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,714 INFO L262 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,714 INFO L262 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,714 INFO L262 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,714 INFO L262 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,714 INFO L262 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,714 INFO L262 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,715 INFO L262 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,715 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:06:20,715 INFO L262 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-12-01 15:06:20,715 INFO L262 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-12-01 15:06:20,715 INFO L262 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-12-01 15:06:20,715 INFO L262 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-12-01 15:06:20,716 INFO L262 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-12-01 15:06:20,717 INFO L262 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-12-01 15:06:20,718 INFO L262 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,718 INFO L262 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,718 INFO L262 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,718 INFO L262 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,718 INFO L262 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,718 INFO L262 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,719 INFO L262 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-12-01 15:06:20,719 INFO L262 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-12-01 15:06:20,719 INFO L262 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,719 INFO L262 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,719 INFO L262 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-12-01 15:06:20,719 INFO L262 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-12-01 15:06:20,720 INFO L262 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-01 15:06:20,720 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:06:20,720 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:06:20,720 INFO L262 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,720 INFO L262 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,720 INFO L262 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-12-01 15:06:20,721 INFO L262 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,722 INFO L262 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-12-01 15:06:20,723 INFO L262 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-12-01 15:06:20,723 INFO L262 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,723 INFO L262 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,723 INFO L262 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,723 INFO L262 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,723 INFO L262 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,724 INFO L262 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,725 INFO L262 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,726 INFO L262 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,726 INFO L262 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,726 INFO L262 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,726 INFO L262 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,726 INFO L262 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,726 INFO L262 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,727 INFO L262 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,728 INFO L262 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-12-01 15:06:20,729 INFO L262 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,730 INFO L262 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,730 INFO L262 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,730 INFO L262 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,730 INFO L262 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,730 INFO L262 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,730 INFO L262 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,731 INFO L262 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,732 INFO L262 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,733 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-12-01 15:06:20,734 INFO L262 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,735 INFO L262 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,736 INFO L262 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,736 INFO L262 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,736 INFO L262 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,736 INFO L262 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-12-01 15:06:20,736 INFO L262 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-12-01 15:06:20,736 INFO L262 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,737 INFO L262 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,738 INFO L262 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,738 INFO L262 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,738 INFO L262 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,738 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-12-01 15:06:20,738 INFO L262 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-12-01 15:06:20,738 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:06:20,739 INFO L262 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,739 INFO L262 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,739 INFO L262 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,739 INFO L262 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,739 INFO L262 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,739 INFO L262 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,740 INFO L262 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,741 INFO L262 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-12-01 15:06:20,742 INFO L262 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-12-01 15:06:20,742 INFO L262 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-12-01 15:06:20,742 INFO L262 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-12-01 15:06:20,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:06:20 BoogieIcfgContainer [2020-12-01 15:06:20,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:06:20,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:06:20,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:06:20,783 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:06:20,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:05:05" (3/4) ... [2020-12-01 15:06:20,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:06:20,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:06:20,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:06:20,827 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:06:20,830 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:06:21,050 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef13061e-009e-496e-8178-2dbf67c97cb8/bin/uautomizer/witness.graphml [2020-12-01 15:06:21,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:06:21,051 INFO L168 Benchmark]: Toolchain (without parser) took 80054.73 ms. Allocated memory was 98.6 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 41.3 MB in the beginning and 1.0 GB in the end (delta: -983.8 MB). Peak memory consumption was 954.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,052 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:06:21,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1230.11 ms. Allocated memory is still 98.6 MB. Free memory was 41.1 MB in the beginning and 41.3 MB in the end (delta: -217.4 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 307.12 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 41.3 MB in the beginning and 85.0 MB in the end (delta: -43.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,053 INFO L168 Benchmark]: Boogie Preprocessor took 173.15 ms. Allocated memory is still 123.7 MB. Free memory was 85.0 MB in the beginning and 74.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,054 INFO L168 Benchmark]: RCFGBuilder took 2635.88 ms. Allocated memory was 123.7 MB in the beginning and 174.1 MB in the end (delta: 50.3 MB). Free memory was 74.5 MB in the beginning and 128.1 MB in the end (delta: -53.6 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,054 INFO L168 Benchmark]: TraceAbstraction took 75426.68 ms. Allocated memory was 174.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 127.0 MB in the beginning and 1.1 GB in the end (delta: -923.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,055 INFO L168 Benchmark]: Witness Printer took 267.69 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:06:21,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 98.6 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1230.11 ms. Allocated memory is still 98.6 MB. Free memory was 41.1 MB in the beginning and 41.3 MB in the end (delta: -217.4 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 307.12 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 41.3 MB in the beginning and 85.0 MB in the end (delta: -43.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 173.15 ms. Allocated memory is still 123.7 MB. Free memory was 85.0 MB in the beginning and 74.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2635.88 ms. Allocated memory was 123.7 MB in the beginning and 174.1 MB in the end (delta: 50.3 MB). Free memory was 74.5 MB in the beginning and 128.1 MB in the end (delta: -53.6 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 75426.68 ms. Allocated memory was 174.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 127.0 MB in the beginning and 1.1 GB in the end (delta: -923.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 267.69 ms. Allocated memory is still 2.0 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a29 <= 275 && a25 <= 10) && a23 <= 262) && a4 == 1) || ((((a29 <= 275 && a25 == 11) && 245 < a29) && a4 == 0) && a23 <= 262)) || ((a25 == 13 && a29 <= 206675) && a4 == 1)) || ((a25 == 11 && a29 + 275802 <= 0) && a23 + 43 <= 0)) || ((((a25 <= 10 && a29 <= 277) && 245 < a29) && 307 <= a23) && a4 == 1)) || (((307 <= a23 && a25 == 12) && a29 <= 220) && a4 == 1)) || ((a4 == 0 && a25 == 10) && a23 + 43 <= 0)) || ((a25 == 13 && a23 <= 262) && a4 == 1)) || ((a25 == 12 && a23 <= 262) && a4 == 1)) || ((a25 == 10 && 307 <= a23) && a4 == 1)) || (((a25 == 9 && a4 == 0) && a29 <= 140) && a23 <= 262)) || ((a29 <= 275 && a25 == 10) && a4 == 1)) || ((a25 == 11 && a4 == 0) && a23 + 43 <= 0)) || (a25 == 9 && a4 == 1)) || ((a25 <= 10 && a23 + 43 <= 0) && a4 == 1)) || (((a29 + 193244 <= 0 && 312 <= a23) && a25 <= 10) && a4 == 1)) || ((a25 == 12 && a23 + 43 <= 0) && a29 <= 220)) || (((a29 <= 277 && 245 < a29) && a25 == 12) && a4 == 1)) || (((a29 <= 206678 && 306 < a23) && a25 == 13) && a4 == 1)) || (((a29 <= 275 && 312 <= a23) && a25 == 12) && a4 == 1)) || ((a4 == 0 && a25 == 13) && a23 <= 262)) || ((a25 == 9 && a29 + 275824 <= 0) && a23 + 43 <= 0)) || ((a4 == 0 && a25 == 10) && a29 <= 140)) || (a25 == 11 && a4 == 1)) || ((a29 <= 275 && a4 == 0) && a25 == 12)) || ((a4 == 0 && a25 == 12) && a23 <= 262)) || ((a25 == 9 && a4 == 0) && a23 + 43 <= 0)) || (((a29 <= 275 && a25 <= 10) && 245 < a29) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a29 <= 275 && a25 <= 10) && a23 <= 262) && a4 == 1) || ((((a29 <= 275 && a25 == 11) && 245 < a29) && a4 == 0) && a23 <= 262)) || ((a25 == 13 && a29 <= 206675) && a4 == 1)) || ((a25 == 11 && a29 + 275802 <= 0) && a23 + 43 <= 0)) || ((((a25 <= 10 && a29 <= 277) && 245 < a29) && 307 <= a23) && a4 == 1)) || (((307 <= a23 && a25 == 12) && a29 <= 220) && a4 == 1)) || ((a4 == 0 && a25 == 10) && a23 + 43 <= 0)) || ((a25 == 13 && a23 <= 262) && a4 == 1)) || ((a25 == 12 && a23 <= 262) && a4 == 1)) || ((a25 == 10 && 307 <= a23) && a4 == 1)) || (((a25 == 9 && a4 == 0) && a29 <= 140) && a23 <= 262)) || ((a29 <= 275 && a25 == 10) && a4 == 1)) || ((a25 == 11 && a4 == 0) && a23 + 43 <= 0)) || (a25 == 9 && a4 == 1)) || ((a25 <= 10 && a23 + 43 <= 0) && a4 == 1)) || (((a29 + 193244 <= 0 && 312 <= a23) && a25 <= 10) && a4 == 1)) || ((a25 == 12 && a23 + 43 <= 0) && a29 <= 220)) || (((a29 <= 277 && 245 < a29) && a25 == 12) && a4 == 1)) || (((a29 <= 206678 && 306 < a23) && a25 == 13) && a4 == 1)) || (((a29 <= 275 && 312 <= a23) && a25 == 12) && a4 == 1)) || ((a4 == 0 && a25 == 13) && a23 <= 262)) || ((a25 == 9 && a29 + 275824 <= 0) && a23 + 43 <= 0)) || ((a4 == 0 && a25 == 10) && a29 <= 140)) || (a25 == 11 && a4 == 1)) || ((a29 <= 275 && a4 == 0) && a25 == 12)) || ((a4 == 0 && a25 == 12) && a23 <= 262)) || ((a25 == 9 && a4 == 0) && a23 + 43 <= 0)) || (((a29 <= 275 && a25 <= 10) && 245 < a29) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 67.8s, OverallIterations: 23, TraceHistogramMax: 6, AutomataDifference: 43.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4395 SDtfs, 4808 SDslu, 808 SDs, 0 SdLazy, 21730 SolverSat, 2372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2176 GetRequests, 2117 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18841occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 34586 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 171 NumberOfFragments, 663 HoareAnnotationTreeSize, 3 FomulaSimplifications, 109900 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 54336 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 9774 NumberOfCodeBlocks, 9774 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 9746 ConstructedInterpolants, 0 QuantifiedInterpolants, 15978453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2909 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 11391/12678 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...