./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:24:20,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:24:20,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:24:20,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:24:20,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:24:20,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:24:20,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:24:20,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:24:20,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:24:20,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:24:20,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:24:20,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:24:20,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:24:20,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:24:20,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:24:20,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:24:20,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:24:20,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:24:20,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:24:20,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:24:20,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:24:20,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:24:20,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:24:20,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:24:20,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:24:20,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:24:20,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:24:20,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:24:20,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:24:20,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:24:20,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:24:20,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:24:20,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:24:20,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:24:20,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:24:20,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:24:20,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:24:20,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:24:20,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:24:20,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:24:20,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:24:20,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:24:20,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:24:20,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:24:20,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:24:20,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:24:20,578 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:24:20,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:24:20,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:24:20,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:24:20,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:24:20,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:24:20,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:24:20,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:24:20,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:24:20,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:24:20,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:24:20,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:24:20,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:24:20,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:24:20,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:24:20,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:24:20,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:24:20,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:24:20,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:24:20,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:24:20,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:24:20,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:24:20,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:24:20,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:24:20,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_422cf2f2-9c26-4967-93e5-254320ab9518/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(__VERIFIER_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 -> cf5fe32b34f3bdb04ccea0560b6f352942ab84d1 [2019-11-15 23:24:20,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:24:20,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:24:20,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:24:20,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:24:20,651 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:24:20,652 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-15 23:24:20,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/data/129c7fe19/b183f44b58c144f18363fe4e69eaf1a1/FLAGe55ba60c3 [2019-11-15 23:24:21,313 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:24:21,314 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2019-11-15 23:24:21,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/data/129c7fe19/b183f44b58c144f18363fe4e69eaf1a1/FLAGe55ba60c3 [2019-11-15 23:24:21,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/data/129c7fe19/b183f44b58c144f18363fe4e69eaf1a1 [2019-11-15 23:24:21,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:24:21,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:24:21,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:24:21,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:24:21,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:24:21,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:24:21" (1/1) ... [2019-11-15 23:24:21,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b74e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:21, skipping insertion in model container [2019-11-15 23:24:21,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:24:21" (1/1) ... [2019-11-15 23:24:21,554 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:24:21,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:24:22,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:24:22,132 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:24:22,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:24:22,262 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:24:22,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22 WrapperNode [2019-11-15 23:24:22,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:24:22,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:24:22,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:24:22,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:24:22,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:24:22,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:24:22,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:24:22,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:24:22,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... [2019-11-15 23:24:22,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:24:22,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:24:22,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:24:22,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:24:22,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/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 [2019-11-15 23:24:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:24:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:24:24,078 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:24:24,078 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:24:24,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:24 BoogieIcfgContainer [2019-11-15 23:24:24,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:24:24,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:24:24,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:24:24,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:24:24,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:24:21" (1/3) ... [2019-11-15 23:24:24,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5081e7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:24:24, skipping insertion in model container [2019-11-15 23:24:24,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:22" (2/3) ... [2019-11-15 23:24:24,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5081e7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:24:24, skipping insertion in model container [2019-11-15 23:24:24,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:24" (3/3) ... [2019-11-15 23:24:24,093 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-11-15 23:24:24,104 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:24:24,114 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:24:24,127 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:24:24,177 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:24:24,177 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:24:24,177 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:24:24,178 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:24:24,178 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:24:24,178 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:24:24,178 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:24:24,178 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:24:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-15 23:24:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-15 23:24:24,226 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:24,227 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:24,230 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:24,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:24,238 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2019-11-15 23:24:24,247 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:24,248 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152202857] [2019-11-15 23:24:24,248 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:24,248 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:24,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:24,728 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152202857] [2019-11-15 23:24:24,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:24,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:24:24,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619092120] [2019-11-15 23:24:24,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:24:24,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:24,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:24:24,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:24:24,755 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-15 23:24:26,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:26,699 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-15 23:24:26,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:24:26,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-15 23:24:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:26,721 INFO L225 Difference]: With dead ends: 775 [2019-11-15 23:24:26,721 INFO L226 Difference]: Without dead ends: 460 [2019-11-15 23:24:26,731 INFO L600 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 [2019-11-15 23:24:26,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-15 23:24:26,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-15 23:24:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-15 23:24:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-15 23:24:26,843 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 89 [2019-11-15 23:24:26,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:26,844 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-15 23:24:26,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:24:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-15 23:24:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-15 23:24:26,858 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:26,859 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:26,860 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:26,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:26,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2019-11-15 23:24:26,861 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:26,861 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072209318] [2019-11-15 23:24:26,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:26,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:26,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:27,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072209318] [2019-11-15 23:24:27,087 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:27,087 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:24:27,088 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314673797] [2019-11-15 23:24:27,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:24:27,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:27,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:24:27,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:24:27,091 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-15 23:24:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:28,303 INFO L93 Difference]: Finished difference Result 1180 states and 1741 transitions. [2019-11-15 23:24:28,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:24:28,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-15 23:24:28,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:28,312 INFO L225 Difference]: With dead ends: 1180 [2019-11-15 23:24:28,312 INFO L226 Difference]: Without dead ends: 874 [2019-11-15 23:24:28,314 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:24:28,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-15 23:24:28,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 870. [2019-11-15 23:24:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-11-15 23:24:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1183 transitions. [2019-11-15 23:24:28,359 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1183 transitions. Word has length 93 [2019-11-15 23:24:28,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:28,360 INFO L462 AbstractCegarLoop]: Abstraction has 870 states and 1183 transitions. [2019-11-15 23:24:28,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:24:28,361 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1183 transitions. [2019-11-15 23:24:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-15 23:24:28,365 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:28,365 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:28,366 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:28,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:28,366 INFO L82 PathProgramCache]: Analyzing trace with hash 606564730, now seen corresponding path program 1 times [2019-11-15 23:24:28,366 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:28,367 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707967389] [2019-11-15 23:24:28,367 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:28,367 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:28,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-15 23:24:28,428 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707967389] [2019-11-15 23:24:28,428 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:28,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:24:28,429 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273743121] [2019-11-15 23:24:28,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:24:28,430 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:28,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:24:28,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:24:28,430 INFO L87 Difference]: Start difference. First operand 870 states and 1183 transitions. Second operand 4 states. [2019-11-15 23:24:29,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:29,073 INFO L93 Difference]: Finished difference Result 2146 states and 2939 transitions. [2019-11-15 23:24:29,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:24:29,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-15 23:24:29,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:29,084 INFO L225 Difference]: With dead ends: 2146 [2019-11-15 23:24:29,084 INFO L226 Difference]: Without dead ends: 1278 [2019-11-15 23:24:29,089 INFO L600 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 [2019-11-15 23:24:29,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2019-11-15 23:24:29,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 578. [2019-11-15 23:24:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2019-11-15 23:24:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 776 transitions. [2019-11-15 23:24:29,132 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 776 transitions. Word has length 99 [2019-11-15 23:24:29,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:29,133 INFO L462 AbstractCegarLoop]: Abstraction has 578 states and 776 transitions. [2019-11-15 23:24:29,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:24:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 776 transitions. [2019-11-15 23:24:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-15 23:24:29,135 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:29,136 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:29,136 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:29,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:29,137 INFO L82 PathProgramCache]: Analyzing trace with hash 450798671, now seen corresponding path program 1 times [2019-11-15 23:24:29,137 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:29,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638532425] [2019-11-15 23:24:29,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:29,138 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:29,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:29,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638532425] [2019-11-15 23:24:29,206 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:29,206 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:24:29,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081861329] [2019-11-15 23:24:29,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:24:29,208 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:29,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:24:29,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:24:29,209 INFO L87 Difference]: Start difference. First operand 578 states and 776 transitions. Second operand 3 states. [2019-11-15 23:24:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:29,941 INFO L93 Difference]: Finished difference Result 1714 states and 2306 transitions. [2019-11-15 23:24:29,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:24:29,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-15 23:24:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:29,949 INFO L225 Difference]: With dead ends: 1714 [2019-11-15 23:24:29,949 INFO L226 Difference]: Without dead ends: 1138 [2019-11-15 23:24:29,950 INFO L600 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 [2019-11-15 23:24:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2019-11-15 23:24:29,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138. [2019-11-15 23:24:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-11-15 23:24:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1447 transitions. [2019-11-15 23:24:29,981 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1447 transitions. Word has length 99 [2019-11-15 23:24:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:29,982 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1447 transitions. [2019-11-15 23:24:29,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:24:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1447 transitions. [2019-11-15 23:24:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-15 23:24:29,985 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:29,985 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:29,986 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:29,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:29,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2019-11-15 23:24:29,986 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:29,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753770093] [2019-11-15 23:24:29,987 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:29,987 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:29,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:30,074 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753770093] [2019-11-15 23:24:30,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:30,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:24:30,074 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262461201] [2019-11-15 23:24:30,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:24:30,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:30,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:24:30,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:24:30,076 INFO L87 Difference]: Start difference. First operand 1138 states and 1447 transitions. Second operand 4 states. [2019-11-15 23:24:31,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:31,041 INFO L93 Difference]: Finished difference Result 2415 states and 3064 transitions. [2019-11-15 23:24:31,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:24:31,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-11-15 23:24:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:31,050 INFO L225 Difference]: With dead ends: 2415 [2019-11-15 23:24:31,050 INFO L226 Difference]: Without dead ends: 1279 [2019-11-15 23:24:31,052 INFO L600 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 [2019-11-15 23:24:31,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-15 23:24:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2019-11-15 23:24:31,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-11-15 23:24:31,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1438 transitions. [2019-11-15 23:24:31,093 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1438 transitions. Word has length 113 [2019-11-15 23:24:31,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:31,093 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 1438 transitions. [2019-11-15 23:24:31,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:24:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1438 transitions. [2019-11-15 23:24:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-15 23:24:31,096 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:31,097 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:31,099 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:31,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:31,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2019-11-15 23:24:31,100 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:31,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226791690] [2019-11-15 23:24:31,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:31,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:31,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:31,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226791690] [2019-11-15 23:24:31,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184489616] [2019-11-15 23:24:31,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/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 [2019-11-15 23:24:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:31,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 23:24:31,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:31,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:24:31,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 23:24:31,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867997378] [2019-11-15 23:24:31,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:24:31,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:31,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:24:31,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:24:31,434 INFO L87 Difference]: Start difference. First operand 1279 states and 1438 transitions. Second operand 3 states. [2019-11-15 23:24:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:31,914 INFO L93 Difference]: Finished difference Result 3399 states and 3829 transitions. [2019-11-15 23:24:31,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:24:31,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-11-15 23:24:31,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:31,928 INFO L225 Difference]: With dead ends: 3399 [2019-11-15 23:24:31,928 INFO L226 Difference]: Without dead ends: 1840 [2019-11-15 23:24:31,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:24:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2019-11-15 23:24:31,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1836. [2019-11-15 23:24:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2019-11-15 23:24:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2027 transitions. [2019-11-15 23:24:31,975 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2027 transitions. Word has length 122 [2019-11-15 23:24:31,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:31,975 INFO L462 AbstractCegarLoop]: Abstraction has 1836 states and 2027 transitions. [2019-11-15 23:24:31,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:24:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2027 transitions. [2019-11-15 23:24:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-15 23:24:31,980 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:31,980 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-15 23:24:32,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:32,184 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:32,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:32,184 INFO L82 PathProgramCache]: Analyzing trace with hash 911939789, now seen corresponding path program 1 times [2019-11-15 23:24:32,184 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:32,184 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720637780] [2019-11-15 23:24:32,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:32,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:32,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-15 23:24:32,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720637780] [2019-11-15 23:24:32,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:32,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:24:32,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871152006] [2019-11-15 23:24:32,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:24:32,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:32,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:24:32,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:24:32,281 INFO L87 Difference]: Start difference. First operand 1836 states and 2027 transitions. Second operand 3 states. [2019-11-15 23:24:32,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:32,884 INFO L93 Difference]: Finished difference Result 4230 states and 4697 transitions. [2019-11-15 23:24:32,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:24:32,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-15 23:24:32,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:32,895 INFO L225 Difference]: With dead ends: 4230 [2019-11-15 23:24:32,896 INFO L226 Difference]: Without dead ends: 1694 [2019-11-15 23:24:32,899 INFO L600 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 [2019-11-15 23:24:32,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2019-11-15 23:24:32,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2019-11-15 23:24:32,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-15 23:24:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1838 transitions. [2019-11-15 23:24:32,947 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1838 transitions. Word has length 126 [2019-11-15 23:24:32,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:32,948 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1838 transitions. [2019-11-15 23:24:32,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:24:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1838 transitions. [2019-11-15 23:24:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-15 23:24:32,953 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:32,953 INFO L380 BasicCegarLoop]: trace histogram [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, 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] [2019-11-15 23:24:32,954 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:32,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:32,954 INFO L82 PathProgramCache]: Analyzing trace with hash -863331546, now seen corresponding path program 1 times [2019-11-15 23:24:32,955 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:32,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953203915] [2019-11-15 23:24:32,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:32,955 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:32,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 23:24:33,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953203915] [2019-11-15 23:24:33,081 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:33,081 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:24:33,082 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235842355] [2019-11-15 23:24:33,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:24:33,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:33,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:24:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:24:33,084 INFO L87 Difference]: Start difference. First operand 1694 states and 1838 transitions. Second operand 3 states. [2019-11-15 23:24:33,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:33,583 INFO L93 Difference]: Finished difference Result 3249 states and 3533 transitions. [2019-11-15 23:24:33,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:24:33,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-15 23:24:33,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:33,593 INFO L225 Difference]: With dead ends: 3249 [2019-11-15 23:24:33,593 INFO L226 Difference]: Without dead ends: 1697 [2019-11-15 23:24:33,596 INFO L600 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 [2019-11-15 23:24:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-11-15 23:24:33,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1694. [2019-11-15 23:24:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1694 states. [2019-11-15 23:24:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1823 transitions. [2019-11-15 23:24:33,636 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1823 transitions. Word has length 136 [2019-11-15 23:24:33,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:33,637 INFO L462 AbstractCegarLoop]: Abstraction has 1694 states and 1823 transitions. [2019-11-15 23:24:33,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:24:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1823 transitions. [2019-11-15 23:24:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-15 23:24:33,641 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:33,642 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-11-15 23:24:33,642 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:33,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:33,642 INFO L82 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2019-11-15 23:24:33,643 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:33,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413553512] [2019-11-15 23:24:33,643 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:33,643 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:33,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-15 23:24:33,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413553512] [2019-11-15 23:24:33,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260351530] [2019-11-15 23:24:33,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/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 [2019-11-15 23:24:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:33,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:24:33,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:24:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-15 23:24:33,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:24:33,996 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-15 23:24:33,996 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513322855] [2019-11-15 23:24:33,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:24:33,998 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:33,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:24:34,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:24:34,000 INFO L87 Difference]: Start difference. First operand 1694 states and 1823 transitions. Second operand 3 states. [2019-11-15 23:24:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:34,550 INFO L93 Difference]: Finished difference Result 3244 states and 3498 transitions. [2019-11-15 23:24:34,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:24:34,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-11-15 23:24:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:34,557 INFO L225 Difference]: With dead ends: 3244 [2019-11-15 23:24:34,557 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:24:34,560 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:24:34,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:24:34,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:24:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:24:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:24:34,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2019-11-15 23:24:34,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:34,562 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:34,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:24:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:24:34,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:24:34,773 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:24:34,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:24:35,091 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-11-15 23:24:35,312 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2019-11-15 23:24:35,314 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,314 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,314 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,314 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,315 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,316 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-15 23:24:35,317 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-15 23:24:35,318 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-15 23:24:35,319 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,320 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,321 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-15 23:24:35,321 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-15 23:24:35,321 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-15 23:24:35,321 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-15 23:24:35,321 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-15 23:24:35,325 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-15 23:24:35,326 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,326 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,326 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,326 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-15 23:24:35,326 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-15 23:24:35,326 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-15 23:24:35,327 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-15 23:24:35,327 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-15 23:24:35,327 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:24:35,327 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-15 23:24:35,327 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-15 23:24:35,327 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-15 23:24:35,328 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,328 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,328 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,328 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-15 23:24:35,328 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-15 23:24:35,328 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-15 23:24:35,329 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-15 23:24:35,329 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-15 23:24:35,329 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,329 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,329 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,329 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-15 23:24:35,330 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-15 23:24:35,330 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-15 23:24:35,330 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-15 23:24:35,330 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-15 23:24:35,330 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-15 23:24:35,330 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-15 23:24:35,331 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-15 23:24:35,331 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-15 23:24:35,331 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-15 23:24:35,331 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:24:35,331 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-15 23:24:35,331 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,332 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,332 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-15 23:24:35,332 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-15 23:24:35,332 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-15 23:24:35,332 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-15 23:24:35,332 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-15 23:24:35,333 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-15 23:24:35,333 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-15 23:24:35,333 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-15 23:24:35,333 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-15 23:24:35,335 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 7)) (.cse9 (<= ~a17~0 8))) (let ((.cse3 (= ~a17~0 8)) (.cse6 (not (= 1 ~a11~0))) (.cse0 (<= ~a19~0 0)) (.cse7 (= ~a11~0 1)) (.cse8 (= ~a25~0 1)) (.cse4 (= ~a19~0 1)) (.cse1 (and (not .cse5) .cse9)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse0 .cse3 .cse5 .cse6) (and .cse0 (not .cse8) .cse5 .cse9 .cse7) (and .cse4 .cse9 .cse8) (and .cse4 .cse1 .cse2)))) [2019-11-15 23:24:35,335 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,335 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,335 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-15 23:24:35,335 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-15 23:24:35,336 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-15 23:24:35,336 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-15 23:24:35,336 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-15 23:24:35,336 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-15 23:24:35,336 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-15 23:24:35,336 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-15 23:24:35,337 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-15 23:24:35,338 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-15 23:24:35,338 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-15 23:24:35,338 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-15 23:24:35,338 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,338 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,338 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-15 23:24:35,339 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-15 23:24:35,339 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-15 23:24:35,339 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-15 23:24:35,339 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-15 23:24:35,339 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-15 23:24:35,340 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a28~0 7)) (.cse9 (<= ~a17~0 8))) (let ((.cse3 (= ~a17~0 8)) (.cse6 (not (= 1 ~a11~0))) (.cse0 (<= ~a19~0 0)) (.cse7 (= ~a11~0 1)) (.cse8 (= ~a25~0 1)) (.cse4 (= ~a19~0 1)) (.cse1 (and (not .cse5) .cse9)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2) (and .cse0 .cse3 .cse5 .cse6) (and .cse0 (not .cse8) .cse5 .cse9 .cse7) (and .cse4 .cse9 .cse8) (and .cse4 .cse1 .cse2)))) [2019-11-15 23:24:35,340 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,340 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,340 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-15 23:24:35,340 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-15 23:24:35,340 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-15 23:24:35,341 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-15 23:24:35,341 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-15 23:24:35,341 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,341 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,341 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-15 23:24:35,341 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-15 23:24:35,342 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-15 23:24:35,343 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,343 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,343 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-15 23:24:35,343 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,343 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-15 23:24:35,343 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,344 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,345 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,345 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-15 23:24:35,345 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-15 23:24:35,345 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-15 23:24:35,345 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-15 23:24:35,346 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-15 23:24:35,347 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-15 23:24:35,347 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-15 23:24:35,347 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-15 23:24:35,347 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-15 23:24:35,347 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,347 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-15 23:24:35,348 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-15 23:24:35,349 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:24:35,349 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-15 23:24:35,349 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-15 23:24:35,349 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,349 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,349 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,350 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,351 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-15 23:24:35,351 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-15 23:24:35,351 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-15 23:24:35,351 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-15 23:24:35,351 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-15 23:24:35,351 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-15 23:24:35,352 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-15 23:24:35,352 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-15 23:24:35,352 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-15 23:24:35,352 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-15 23:24:35,352 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-15 23:24:35,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:24:35 BoogieIcfgContainer [2019-11-15 23:24:35,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:24:35,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:24:35,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:24:35,391 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:24:35,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:24" (3/4) ... [2019-11-15 23:24:35,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:24:35,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:24:35,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:24:35,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_422cf2f2-9c26-4967-93e5-254320ab9518/bin/uautomizer/witness.graphml [2019-11-15 23:24:35,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:24:35,659 INFO L168 Benchmark]: Toolchain (without parser) took 14123.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.3 MB). Free memory was 939.3 MB in the beginning and 882.3 MB in the end (delta: 57.0 MB). Peak memory consumption was 344.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,660 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:35,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,661 INFO L168 Benchmark]: Boogie Preprocessor took 65.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,661 INFO L168 Benchmark]: RCFGBuilder took 1665.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 966.1 MB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,662 INFO L168 Benchmark]: TraceAbstraction took 11309.04 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 966.1 MB in the beginning and 904.6 MB in the end (delta: 61.5 MB). Peak memory consumption was 237.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,662 INFO L168 Benchmark]: Witness Printer took 266.76 ms. Allocated memory is still 1.3 GB. Free memory was 904.6 MB in the beginning and 882.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:35,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 725.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1665.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 966.1 MB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11309.04 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 966.1 MB in the beginning and 904.6 MB in the end (delta: 61.5 MB). Peak memory consumption was 237.6 MB. Max. memory is 11.5 GB. * Witness Printer took 266.76 ms. Allocated memory is still 1.3 GB. Free memory was 904.6 MB in the beginning and 882.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a28 == 7) && !(1 == a11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11))) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(1 == a11))) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || ((a19 == 1 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((a19 <= 0 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a28 == 7) && !(1 == a11))) || (((!(a28 == 7) && a17 <= 8) && a11 == 1) && !(a28 == 11))) || (((a19 <= 0 && a17 == 8) && a28 == 7) && !(1 == a11))) || ((((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a17 <= 8) && a11 == 1)) || ((a19 == 1 && a17 <= 8) && a25 == 1)) || ((a19 == 1 && !(a28 == 7) && a17 <= 8) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 11.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1117 SDtfs, 1809 SDslu, 167 SDs, 0 SdLazy, 4138 SolverSat, 760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 294 GetRequests, 270 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 863 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 209 HoareAnnotationTreeSize, 3 FomulaSimplifications, 834 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 410 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1279 NumberOfCodeBlocks, 1279 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 386099 SizeOfPredicates, 1 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 401/405 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...