./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa39e01cb2a7791b67da316f7823437eebdaaeb2 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:56:54,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:56:54,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:56:54,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:56:54,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:56:54,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:56:54,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:56:54,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:56:54,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:56:54,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:56:54,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:56:54,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:56:54,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:56:54,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:56:54,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:56:54,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:56:54,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:56:54,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:56:54,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:56:54,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:56:54,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:56:54,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:56:54,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:56:54,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:56:54,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:56:54,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:56:54,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:56:54,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:56:54,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:56:54,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:56:54,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:56:54,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:56:54,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:56:54,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:56:54,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:56:54,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:56:54,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:56:54,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:56:54,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:56:54,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:56:54,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:56:54,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:56:54,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:56:54,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:56:54,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:56:54,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:56:54,760 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:56:54,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:56:54,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:56:54,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:56:54,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:56:54,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:56:54,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:56:54,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:56:54,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:56:54,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:56:54,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:56:54,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:56:54,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:56:54,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:56:54,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:56:54,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:56:54,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:56:54,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:56:54,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:56:54,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:56:54,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:56:54,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:56:54,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:56:54,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:56:54,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:56:54,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa39e01cb2a7791b67da316f7823437eebdaaeb2 [2020-11-29 20:56:55,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:56:55,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:56:55,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:56:55,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:56:55,092 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:56:55,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label57.c [2020-11-29 20:56:55,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/data/03e0e9649/8943bf5cf50e4b42848802806b7cba65/FLAGd0a48c63d [2020-11-29 20:56:55,807 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:56:55,808 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/sv-benchmarks/c/eca-rers2012/Problem11_label57.c [2020-11-29 20:56:55,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/data/03e0e9649/8943bf5cf50e4b42848802806b7cba65/FLAGd0a48c63d [2020-11-29 20:56:55,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/data/03e0e9649/8943bf5cf50e4b42848802806b7cba65 [2020-11-29 20:56:55,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:56:55,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:56:55,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:56:55,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:56:55,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:56:55,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:56:55" (1/1) ... [2020-11-29 20:56:56,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329d9e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56, skipping insertion in model container [2020-11-29 20:56:56,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:56:55" (1/1) ... [2020-11-29 20:56:56,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:56:56,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:56:56,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:56:56,673 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:56:56,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:56:56,981 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:56:56,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56 WrapperNode [2020-11-29 20:56:56,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:56:56,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:56:56,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:56:56,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:56:57,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:56:57,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:56:57,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:56:57,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:56:57,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... [2020-11-29 20:56:57,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:56:57,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:56:57,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:56:57,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:56:57,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:56:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:56:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:56:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:56:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:56:59,770 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:56:59,772 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:56:59,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:56:59 BoogieIcfgContainer [2020-11-29 20:56:59,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:56:59,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:56:59,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:56:59,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:56:59,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:56:55" (1/3) ... [2020-11-29 20:56:59,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44463417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:56:59, skipping insertion in model container [2020-11-29 20:56:59,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:56:56" (2/3) ... [2020-11-29 20:56:59,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44463417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:56:59, skipping insertion in model container [2020-11-29 20:56:59,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:56:59" (3/3) ... [2020-11-29 20:56:59,787 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label57.c [2020-11-29 20:56:59,801 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:56:59,806 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:56:59,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:56:59,861 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:56:59,861 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:56:59,861 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:56:59,862 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:56:59,862 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:56:59,862 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:56:59,862 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:56:59,862 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:56:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 20:56:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 20:56:59,899 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:56:59,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:56:59,900 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:56:59,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:56:59,907 INFO L82 PathProgramCache]: Analyzing trace with hash 291089130, now seen corresponding path program 1 times [2020-11-29 20:56:59,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:56:59,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382725430] [2020-11-29 20:56:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:57:00,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382725430] [2020-11-29 20:57:00,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:00,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:57:00,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412518460] [2020-11-29 20:57:00,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:00,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:00,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:00,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:00,323 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 20:57:02,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:02,228 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-29 20:57:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:02,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-11-29 20:57:02,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:02,250 INFO L225 Difference]: With dead ends: 762 [2020-11-29 20:57:02,251 INFO L226 Difference]: Without dead ends: 413 [2020-11-29 20:57:02,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-29 20:57:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-29 20:57:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-29 20:57:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-29 20:57:02,330 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 46 [2020-11-29 20:57:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:02,331 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-29 20:57:02,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-29 20:57:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-29 20:57:02,337 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:02,337 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:02,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:57:02,338 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:02,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1905003650, now seen corresponding path program 1 times [2020-11-29 20:57:02,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:02,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665111049] [2020-11-29 20:57:02,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:57:02,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665111049] [2020-11-29 20:57:02,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:02,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:57:02,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345754226] [2020-11-29 20:57:02,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:02,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:02,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:02,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:02,527 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-29 20:57:03,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:03,599 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-29 20:57:03,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:03,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-11-29 20:57:03,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:03,616 INFO L225 Difference]: With dead ends: 1211 [2020-11-29 20:57:03,616 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 20:57:03,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:03,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 20:57:03,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-29 20:57:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 20:57:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 20:57:03,684 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 114 [2020-11-29 20:57:03,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:03,687 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 20:57:03,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 20:57:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 20:57:03,702 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:03,703 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:03,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:57:03,704 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:03,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:03,705 INFO L82 PathProgramCache]: Analyzing trace with hash -844547811, now seen corresponding path program 1 times [2020-11-29 20:57:03,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:03,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377805927] [2020-11-29 20:57:03,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:57:03,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377805927] [2020-11-29 20:57:03,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:03,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:57:03,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395868074] [2020-11-29 20:57:03,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:03,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:03,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:03,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:03,922 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 20:57:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:05,039 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-29 20:57:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:05,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-11-29 20:57:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:05,049 INFO L225 Difference]: With dead ends: 2314 [2020-11-29 20:57:05,049 INFO L226 Difference]: Without dead ends: 1527 [2020-11-29 20:57:05,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:05,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-29 20:57:05,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-29 20:57:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 20:57:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-29 20:57:05,108 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 116 [2020-11-29 20:57:05,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:05,109 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-29 20:57:05,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-29 20:57:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-29 20:57:05,112 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:05,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:05,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:57:05,113 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash 2093917537, now seen corresponding path program 1 times [2020-11-29 20:57:05,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:05,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676614426] [2020-11-29 20:57:05,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:05,359 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:57:05,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676614426] [2020-11-29 20:57:05,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:05,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:05,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29743398] [2020-11-29 20:57:05,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:57:05,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:05,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:57:05,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:57:05,362 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 4 states. [2020-11-29 20:57:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:07,369 INFO L93 Difference]: Finished difference Result 4184 states and 5339 transitions. [2020-11-29 20:57:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:57:07,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2020-11-29 20:57:07,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:07,386 INFO L225 Difference]: With dead ends: 4184 [2020-11-29 20:57:07,387 INFO L226 Difference]: Without dead ends: 2844 [2020-11-29 20:57:07,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:57:07,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-11-29 20:57:07,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2843. [2020-11-29 20:57:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-11-29 20:57:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3569 transitions. [2020-11-29 20:57:07,460 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3569 transitions. Word has length 173 [2020-11-29 20:57:07,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:07,462 INFO L481 AbstractCegarLoop]: Abstraction has 2843 states and 3569 transitions. [2020-11-29 20:57:07,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:57:07,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3569 transitions. [2020-11-29 20:57:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-29 20:57:07,468 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:07,468 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:07,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:57:07,468 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:07,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:07,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2146304761, now seen corresponding path program 1 times [2020-11-29 20:57:07,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:07,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512166700] [2020-11-29 20:57:07,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 20:57:07,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512166700] [2020-11-29 20:57:07,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:07,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:07,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210763817] [2020-11-29 20:57:07,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:07,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:07,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:07,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:07,712 INFO L87 Difference]: Start difference. First operand 2843 states and 3569 transitions. Second operand 3 states. [2020-11-29 20:57:09,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:09,048 INFO L93 Difference]: Finished difference Result 6431 states and 8283 transitions. [2020-11-29 20:57:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:09,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-11-29 20:57:09,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:09,071 INFO L225 Difference]: With dead ends: 6431 [2020-11-29 20:57:09,071 INFO L226 Difference]: Without dead ends: 3958 [2020-11-29 20:57:09,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:09,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-11-29 20:57:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3948. [2020-11-29 20:57:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2020-11-29 20:57:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4860 transitions. [2020-11-29 20:57:09,169 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4860 transitions. Word has length 228 [2020-11-29 20:57:09,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:09,170 INFO L481 AbstractCegarLoop]: Abstraction has 3948 states and 4860 transitions. [2020-11-29 20:57:09,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4860 transitions. [2020-11-29 20:57:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-29 20:57:09,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:09,176 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:09,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:57:09,176 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:09,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:09,177 INFO L82 PathProgramCache]: Analyzing trace with hash -169116726, now seen corresponding path program 1 times [2020-11-29 20:57:09,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:09,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520430925] [2020-11-29 20:57:09,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 20:57:09,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520430925] [2020-11-29 20:57:09,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:09,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:09,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670308449] [2020-11-29 20:57:09,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:09,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:09,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:09,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:09,387 INFO L87 Difference]: Start difference. First operand 3948 states and 4860 transitions. Second operand 3 states. [2020-11-29 20:57:10,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:10,645 INFO L93 Difference]: Finished difference Result 10103 states and 12715 transitions. [2020-11-29 20:57:10,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:10,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-11-29 20:57:10,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:10,685 INFO L225 Difference]: With dead ends: 10103 [2020-11-29 20:57:10,685 INFO L226 Difference]: Without dead ends: 6525 [2020-11-29 20:57:10,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:10,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2020-11-29 20:57:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 6525. [2020-11-29 20:57:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6525 states. [2020-11-29 20:57:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6525 states to 6525 states and 7989 transitions. [2020-11-29 20:57:10,841 INFO L78 Accepts]: Start accepts. Automaton has 6525 states and 7989 transitions. Word has length 234 [2020-11-29 20:57:10,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:10,845 INFO L481 AbstractCegarLoop]: Abstraction has 6525 states and 7989 transitions. [2020-11-29 20:57:10,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 6525 states and 7989 transitions. [2020-11-29 20:57:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-11-29 20:57:10,853 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:10,853 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:10,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:57:10,854 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:10,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:10,854 INFO L82 PathProgramCache]: Analyzing trace with hash 61721373, now seen corresponding path program 1 times [2020-11-29 20:57:10,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:10,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372735540] [2020-11-29 20:57:10,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-11-29 20:57:11,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372735540] [2020-11-29 20:57:11,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:11,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:11,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146863332] [2020-11-29 20:57:11,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:11,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:11,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:11,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:11,139 INFO L87 Difference]: Start difference. First operand 6525 states and 7989 transitions. Second operand 3 states. [2020-11-29 20:57:12,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:12,359 INFO L93 Difference]: Finished difference Result 15080 states and 18708 transitions. [2020-11-29 20:57:12,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:12,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2020-11-29 20:57:12,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:12,406 INFO L225 Difference]: With dead ends: 15080 [2020-11-29 20:57:12,406 INFO L226 Difference]: Without dead ends: 8741 [2020-11-29 20:57:12,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8741 states. [2020-11-29 20:57:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8741 to 8733. [2020-11-29 20:57:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8733 states. [2020-11-29 20:57:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 10513 transitions. [2020-11-29 20:57:12,592 INFO L78 Accepts]: Start accepts. Automaton has 8733 states and 10513 transitions. Word has length 265 [2020-11-29 20:57:12,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:12,592 INFO L481 AbstractCegarLoop]: Abstraction has 8733 states and 10513 transitions. [2020-11-29 20:57:12,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:12,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8733 states and 10513 transitions. [2020-11-29 20:57:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-11-29 20:57:12,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:12,603 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:12,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:57:12,604 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:12,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:12,604 INFO L82 PathProgramCache]: Analyzing trace with hash -741473128, now seen corresponding path program 1 times [2020-11-29 20:57:12,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:12,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699175716] [2020-11-29 20:57:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:57:13,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699175716] [2020-11-29 20:57:13,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:13,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:57:13,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653867593] [2020-11-29 20:57:13,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:57:13,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:13,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:57:13,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:57:13,206 INFO L87 Difference]: Start difference. First operand 8733 states and 10513 transitions. Second operand 6 states. [2020-11-29 20:57:15,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:15,977 INFO L93 Difference]: Finished difference Result 18704 states and 22468 transitions. [2020-11-29 20:57:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 20:57:15,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 287 [2020-11-29 20:57:15,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:16,029 INFO L225 Difference]: With dead ends: 18704 [2020-11-29 20:57:16,029 INFO L226 Difference]: Without dead ends: 10341 [2020-11-29 20:57:16,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-11-29 20:57:16,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10341 states. [2020-11-29 20:57:16,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10341 to 10204. [2020-11-29 20:57:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10204 states. [2020-11-29 20:57:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10204 states to 10204 states and 12102 transitions. [2020-11-29 20:57:16,212 INFO L78 Accepts]: Start accepts. Automaton has 10204 states and 12102 transitions. Word has length 287 [2020-11-29 20:57:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:16,213 INFO L481 AbstractCegarLoop]: Abstraction has 10204 states and 12102 transitions. [2020-11-29 20:57:16,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:57:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10204 states and 12102 transitions. [2020-11-29 20:57:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-11-29 20:57:16,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:16,224 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:16,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:57:16,224 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:16,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1206701660, now seen corresponding path program 1 times [2020-11-29 20:57:16,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:16,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311811054] [2020-11-29 20:57:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-11-29 20:57:16,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311811054] [2020-11-29 20:57:16,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:16,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:16,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159919677] [2020-11-29 20:57:16,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:16,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:16,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:16,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:16,471 INFO L87 Difference]: Start difference. First operand 10204 states and 12102 transitions. Second operand 3 states. [2020-11-29 20:57:17,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:17,764 INFO L93 Difference]: Finished difference Result 20954 states and 25382 transitions. [2020-11-29 20:57:17,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:17,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-11-29 20:57:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:17,789 INFO L225 Difference]: With dead ends: 20954 [2020-11-29 20:57:17,790 INFO L226 Difference]: Without dead ends: 12410 [2020-11-29 20:57:17,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:17,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12410 states. [2020-11-29 20:57:17,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12410 to 12225. [2020-11-29 20:57:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12225 states. [2020-11-29 20:57:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12225 states to 12225 states and 14612 transitions. [2020-11-29 20:57:18,085 INFO L78 Accepts]: Start accepts. Automaton has 12225 states and 14612 transitions. Word has length 292 [2020-11-29 20:57:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:18,086 INFO L481 AbstractCegarLoop]: Abstraction has 12225 states and 14612 transitions. [2020-11-29 20:57:18,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12225 states and 14612 transitions. [2020-11-29 20:57:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-11-29 20:57:18,098 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:18,099 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:18,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:57:18,099 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:18,111 INFO L82 PathProgramCache]: Analyzing trace with hash 65225780, now seen corresponding path program 1 times [2020-11-29 20:57:18,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:18,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464027180] [2020-11-29 20:57:18,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-29 20:57:18,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464027180] [2020-11-29 20:57:18,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:18,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:18,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023866770] [2020-11-29 20:57:18,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:18,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:18,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:18,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:18,379 INFO L87 Difference]: Start difference. First operand 12225 states and 14612 transitions. Second operand 3 states. [2020-11-29 20:57:19,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:19,527 INFO L93 Difference]: Finished difference Result 25181 states and 30502 transitions. [2020-11-29 20:57:19,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:19,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-11-29 20:57:19,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:19,559 INFO L225 Difference]: With dead ends: 25181 [2020-11-29 20:57:19,559 INFO L226 Difference]: Without dead ends: 14616 [2020-11-29 20:57:19,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14616 states. [2020-11-29 20:57:19,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14616 to 12954. [2020-11-29 20:57:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12954 states. [2020-11-29 20:57:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12954 states to 12954 states and 15204 transitions. [2020-11-29 20:57:19,852 INFO L78 Accepts]: Start accepts. Automaton has 12954 states and 15204 transitions. Word has length 311 [2020-11-29 20:57:19,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:19,852 INFO L481 AbstractCegarLoop]: Abstraction has 12954 states and 15204 transitions. [2020-11-29 20:57:19,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 12954 states and 15204 transitions. [2020-11-29 20:57:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-11-29 20:57:19,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:19,876 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:19,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:57:19,876 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:19,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1776242964, now seen corresponding path program 1 times [2020-11-29 20:57:19,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:19,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016446348] [2020-11-29 20:57:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:57:20,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016446348] [2020-11-29 20:57:20,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:20,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:57:20,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337475722] [2020-11-29 20:57:20,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:57:20,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:20,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:57:20,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:57:20,279 INFO L87 Difference]: Start difference. First operand 12954 states and 15204 transitions. Second operand 4 states. [2020-11-29 20:57:22,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:22,660 INFO L93 Difference]: Finished difference Result 30528 states and 36404 transitions. [2020-11-29 20:57:22,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:57:22,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 351 [2020-11-29 20:57:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:22,704 INFO L225 Difference]: With dead ends: 30528 [2020-11-29 20:57:22,704 INFO L226 Difference]: Without dead ends: 19234 [2020-11-29 20:57:22,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:57:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19234 states. [2020-11-29 20:57:22,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19234 to 18301. [2020-11-29 20:57:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18301 states. [2020-11-29 20:57:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18301 states to 18301 states and 21509 transitions. [2020-11-29 20:57:22,964 INFO L78 Accepts]: Start accepts. Automaton has 18301 states and 21509 transitions. Word has length 351 [2020-11-29 20:57:22,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:22,965 INFO L481 AbstractCegarLoop]: Abstraction has 18301 states and 21509 transitions. [2020-11-29 20:57:22,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:57:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 18301 states and 21509 transitions. [2020-11-29 20:57:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-11-29 20:57:22,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:22,998 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:22,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 20:57:22,998 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:22,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:22,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2002036671, now seen corresponding path program 1 times [2020-11-29 20:57:22,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:23,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045530740] [2020-11-29 20:57:23,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-29 20:57:23,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045530740] [2020-11-29 20:57:23,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:23,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:57:23,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002314483] [2020-11-29 20:57:23,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:57:23,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:23,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:57:23,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:57:23,512 INFO L87 Difference]: Start difference. First operand 18301 states and 21509 transitions. Second operand 4 states. [2020-11-29 20:57:25,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:25,703 INFO L93 Difference]: Finished difference Result 38642 states and 45868 transitions. [2020-11-29 20:57:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:57:25,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 425 [2020-11-29 20:57:25,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:25,734 INFO L225 Difference]: With dead ends: 38642 [2020-11-29 20:57:25,735 INFO L226 Difference]: Without dead ends: 22001 [2020-11-29 20:57:25,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:57:25,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22001 states. [2020-11-29 20:57:26,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22001 to 17933. [2020-11-29 20:57:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17933 states. [2020-11-29 20:57:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 21087 transitions. [2020-11-29 20:57:26,139 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 21087 transitions. Word has length 425 [2020-11-29 20:57:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:26,141 INFO L481 AbstractCegarLoop]: Abstraction has 17933 states and 21087 transitions. [2020-11-29 20:57:26,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:57:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 21087 transitions. [2020-11-29 20:57:26,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-11-29 20:57:26,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:26,192 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:26,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 20:57:26,192 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:26,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:26,193 INFO L82 PathProgramCache]: Analyzing trace with hash 353528894, now seen corresponding path program 1 times [2020-11-29 20:57:26,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:26,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803591906] [2020-11-29 20:57:26,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 835 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-11-29 20:57:26,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803591906] [2020-11-29 20:57:26,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:26,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:26,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711230624] [2020-11-29 20:57:26,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:26,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:26,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:26,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:26,754 INFO L87 Difference]: Start difference. First operand 17933 states and 21087 transitions. Second operand 3 states. [2020-11-29 20:57:27,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:27,821 INFO L93 Difference]: Finished difference Result 32728 states and 38572 transitions. [2020-11-29 20:57:27,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:27,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-11-29 20:57:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:27,847 INFO L225 Difference]: With dead ends: 32728 [2020-11-29 20:57:27,847 INFO L226 Difference]: Without dead ends: 16455 [2020-11-29 20:57:27,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16455 states. [2020-11-29 20:57:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16455 to 14245. [2020-11-29 20:57:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14245 states. [2020-11-29 20:57:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 16177 transitions. [2020-11-29 20:57:28,087 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 16177 transitions. Word has length 598 [2020-11-29 20:57:28,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:28,088 INFO L481 AbstractCegarLoop]: Abstraction has 14245 states and 16177 transitions. [2020-11-29 20:57:28,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 16177 transitions. [2020-11-29 20:57:28,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2020-11-29 20:57:28,123 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:57:28,123 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:57:28,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 20:57:28,124 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:57:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:57:28,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1520134067, now seen corresponding path program 1 times [2020-11-29 20:57:28,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:57:28,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983072469] [2020-11-29 20:57:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:57:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:57:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 746 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-11-29 20:57:28,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983072469] [2020-11-29 20:57:28,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:57:28,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:57:28,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835377563] [2020-11-29 20:57:28,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:57:28,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:57:28,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:57:28,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:28,759 INFO L87 Difference]: Start difference. First operand 14245 states and 16177 transitions. Second operand 3 states. [2020-11-29 20:57:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:57:29,902 INFO L93 Difference]: Finished difference Result 28483 states and 32443 transitions. [2020-11-29 20:57:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:57:29,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 689 [2020-11-29 20:57:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:57:29,905 INFO L225 Difference]: With dead ends: 28483 [2020-11-29 20:57:29,905 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:57:29,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:57:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:57:29,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:57:29,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:57:29,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:57:29,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 689 [2020-11-29 20:57:29,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:57:29,920 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:57:29,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:57:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:57:29,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:57:29,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 20:57:29,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:57:30,256 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 104 [2020-11-29 20:57:30,607 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 104 [2020-11-29 20:57:30,811 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-11-29 20:57:31,054 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,058 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,059 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,060 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,061 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,061 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 20:57:31,061 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 20:57:31,061 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 20:57:31,066 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,066 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,066 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,067 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (= ~a25~0 11)) (.cse0 (<= ~a29~0 599999)) (.cse1 (<= ~a25~0 10)) (.cse2 (= ~a4~0 1)) (.cse5 (< 306 ~a23~0)) (.cse3 (<= ~a29~0 599998))) (or (<= (+ ~a29~0 21) 0) (and .cse0 .cse1 (<= (+ ~a23~0 599772) 0)) (and (not .cse2) .cse3) (and .cse0 .cse4 .cse5 .cse2) (and .cse4 .cse3) (and .cse0 .cse1 .cse2) (and .cse5 .cse3) (and (= ~a25~0 13) .cse3))) [2020-11-29 20:57:31,067 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,067 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 20:57:31,067 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,068 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 20:57:31,069 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 20:57:31,069 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 20:57:31,069 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 20:57:31,069 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,069 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,069 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,069 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 20:57:31,070 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,071 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,072 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,072 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 20:57:31,072 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 20:57:31,072 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 20:57:31,072 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,074 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (= ~a25~0 11)) (.cse0 (<= ~a29~0 599999)) (.cse1 (<= ~a25~0 10)) (.cse2 (= ~a4~0 1)) (.cse5 (< 306 ~a23~0)) (.cse3 (<= ~a29~0 599998))) (or (<= (+ ~a29~0 21) 0) (and .cse0 .cse1 (<= (+ ~a23~0 599772) 0)) (and (not .cse2) .cse3) (and .cse0 .cse4 .cse5 .cse2) (and .cse4 .cse3) (and .cse0 .cse1 .cse2) (and .cse5 .cse3) (and (= ~a25~0 13) .cse3))) [2020-11-29 20:57:31,074 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,075 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,076 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 20:57:31,076 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 20:57:31,076 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 20:57:31,076 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 20:57:31,076 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 20:57:31,076 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,077 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,078 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,078 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,079 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,079 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:57:31,079 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 20:57:31,079 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 20:57:31,079 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 20:57:31,080 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 20:57:31,080 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,080 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,080 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,080 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,080 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,081 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,082 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,083 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,083 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 20:57:31,083 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 20:57:31,083 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,083 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,083 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 20:57:31,084 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 20:57:31,084 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 20:57:31,084 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:57:31,084 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:57:31,084 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,084 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,085 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,085 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,085 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,085 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,086 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,086 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 20:57:31,086 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 20:57:31,086 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 20:57:31,087 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 20:57:31,087 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 20:57:31,087 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 20:57:31,087 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 20:57:31,087 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,087 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,088 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,089 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 20:57:31,089 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 20:57:31,089 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 20:57:31,089 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,089 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,089 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,090 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,090 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,090 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,090 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 20:57:31,090 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 20:57:31,090 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,091 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,092 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,092 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 20:57:31,092 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 20:57:31,092 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 20:57:31,092 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,092 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:57:31,093 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,094 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,094 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,094 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,094 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 20:57:31,094 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 20:57:31,094 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,095 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,096 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,097 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,097 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 20:57:31,097 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 20:57:31,097 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,097 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,097 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,098 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 20:57:31,099 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 20:57:31,099 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,099 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:57:31,099 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,099 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,099 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 20:57:31,100 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,101 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,101 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,101 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,101 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,101 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,101 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,102 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,102 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 20:57:31,103 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 20:57:31,103 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 20:57:31,103 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 20:57:31,104 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 20:57:31,104 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 20:57:31,104 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,105 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,105 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,105 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,107 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,107 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,107 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,108 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,109 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 20:57:31,110 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,111 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,111 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 20:57:31,111 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 20:57:31,111 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 20:57:31,111 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 20:57:31,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:57:31 BoogieIcfgContainer [2020-11-29 20:57:31,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:57:31,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:57:31,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:57:31,151 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:57:31,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:56:59" (3/4) ... [2020-11-29 20:57:31,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:57:31,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:57:31,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:57:31,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:57:31,204 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:57:31,449 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b25495dc-67f7-41bd-b61d-3ce4036eb965/bin/uautomizer/witness.graphml [2020-11-29 20:57:31,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:57:31,451 INFO L168 Benchmark]: Toolchain (without parser) took 35464.57 ms. Allocated memory was 90.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 58.2 MB in the beginning and 654.2 MB in the end (delta: -596.0 MB). Peak memory consumption was 486.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,452 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:57:31,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 992.87 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 35.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.40 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 35.2 MB in the beginning and 69.3 MB in the end (delta: -34.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,454 INFO L168 Benchmark]: Boogie Preprocessor took 138.25 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 58.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,454 INFO L168 Benchmark]: RCFGBuilder took 2463.47 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 58.8 MB in the beginning and 70.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,455 INFO L168 Benchmark]: TraceAbstraction took 31371.39 ms. Allocated memory was 148.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 69.4 MB in the beginning and 679.3 MB in the end (delta: -610.0 MB). Peak memory consumption was 415.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,455 INFO L168 Benchmark]: Witness Printer took 299.55 ms. Allocated memory is still 1.2 GB. Free memory was 679.3 MB in the beginning and 654.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:57:31,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 992.87 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 35.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 186.40 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 35.2 MB in the beginning and 69.3 MB in the end (delta: -34.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.25 ms. Allocated memory is still 109.1 MB. Free memory was 69.3 MB in the beginning and 58.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2463.47 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 58.8 MB in the beginning and 70.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31371.39 ms. Allocated memory was 148.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 69.4 MB in the beginning and 679.3 MB in the end (delta: -610.0 MB). Peak memory consumption was 415.4 MB. Max. memory is 16.1 GB. * Witness Printer took 299.55 ms. Allocated memory is still 1.2 GB. Free memory was 679.3 MB in the beginning and 654.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((a29 + 21 <= 0 || ((a29 <= 599999 && a25 <= 10) && a23 + 599772 <= 0)) || (!(a4 == 1) && a29 <= 599998)) || (((a29 <= 599999 && a25 == 11) && 306 < a23) && a4 == 1)) || (a25 == 11 && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (306 < a23 && a29 <= 599998)) || (a25 == 13 && a29 <= 599998) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a29 + 21 <= 0 || ((a29 <= 599999 && a25 <= 10) && a23 + 599772 <= 0)) || (!(a4 == 1) && a29 <= 599998)) || (((a29 <= 599999 && a25 == 11) && 306 < a23) && a4 == 1)) || (a25 == 11 && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || (306 < a23 && a29 <= 599998)) || (a25 == 13 && a29 <= 599998) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.0s, OverallIterations: 14, TraceHistogramMax: 6, AutomataDifference: 22.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2451 SDtfs, 2992 SDslu, 401 SDs, 0 SdLazy, 10617 SolverSat, 2123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18301occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 9226 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 177 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11989 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 808 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4129 NumberOfCodeBlocks, 4129 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4115 ConstructedInterpolants, 0 QuantifiedInterpolants, 3403389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 4422/4422 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...