./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label38.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_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c -s /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/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 995dfe15d301b87309e66e36cf0721dababde735 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:53:37,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:53:37,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:53:37,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:53:37,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:53:37,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:53:37,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:53:37,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:53:37,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:53:37,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:53:37,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:53:37,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:53:37,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:53:37,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:53:37,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:53:37,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:53:37,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:53:37,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:53:37,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:53:37,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:53:37,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:53:37,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:53:37,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:53:37,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:53:37,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:53:37,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:53:37,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:53:37,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:53:37,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:53:37,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:53:37,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:53:37,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:53:37,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:53:37,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:53:37,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:53:37,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:53:37,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:53:37,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:53:37,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:53:37,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:53:37,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:53:37,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:53:37,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:53:37,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:53:37,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:53:37,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:53:37,644 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:53:37,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:53:37,645 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:53:37,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:53:37,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:53:37,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:53:37,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:53:37,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:53:37,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:53:37,647 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:53:37,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:53:37,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:53:37,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:53:37,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:53:37,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:53:37,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:53:37,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:53:37,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:53:37,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:53:37,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:53:37,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:53:37,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:53:37,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:53:37,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:53:37,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:53:37,652 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_980d0d50-3b42-48c0-a19e-b265ca9c5414/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 995dfe15d301b87309e66e36cf0721dababde735 [2020-11-30 00:53:38,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:53:38,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:53:38,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:53:38,068 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:53:38,069 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:53:38,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c [2020-11-30 00:53:38,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/data/061a413ad/aabb02b5a6914dd1b2173b7f8e3b14bb/FLAG6fa45488e [2020-11-30 00:53:38,919 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:53:38,920 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/sv-benchmarks/c/eca-rers2012/Problem10_label38.c [2020-11-30 00:53:38,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/data/061a413ad/aabb02b5a6914dd1b2173b7f8e3b14bb/FLAG6fa45488e [2020-11-30 00:53:39,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/data/061a413ad/aabb02b5a6914dd1b2173b7f8e3b14bb [2020-11-30 00:53:39,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:53:39,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:53:39,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:53:39,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:53:39,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:53:39,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:39,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1cadb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39, skipping insertion in model container [2020-11-30 00:53:39,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:39,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:53:39,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:53:39,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:53:39,797 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:53:39,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:53:39,996 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:53:39,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39 WrapperNode [2020-11-30 00:53:39,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:53:39,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:53:39,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:53:39,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:53:40,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:53:40,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:53:40,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:53:40,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:53:40,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... [2020-11-30 00:53:40,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:53:40,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:53:40,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:53:40,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:53:40,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/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 [2020-11-30 00:53:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:53:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:53:40,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:53:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:53:42,590 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:53:42,591 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:53:42,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:53:42 BoogieIcfgContainer [2020-11-30 00:53:42,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:53:42,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:53:42,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:53:42,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:53:42,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:53:39" (1/3) ... [2020-11-30 00:53:42,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8a38f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:53:42, skipping insertion in model container [2020-11-30 00:53:42,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:53:39" (2/3) ... [2020-11-30 00:53:42,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8a38f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:53:42, skipping insertion in model container [2020-11-30 00:53:42,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:53:42" (3/3) ... [2020-11-30 00:53:42,608 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2020-11-30 00:53:42,622 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:53:42,628 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:53:42,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:53:42,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:53:42,674 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:53:42,675 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:53:42,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:53:42,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:53:42,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:53:42,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:53:42,676 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:53:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-30 00:53:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:53:42,720 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:42,721 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] [2020-11-30 00:53:42,721 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:42,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-11-30 00:53:42,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:42,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324688509] [2020-11-30 00:53:42,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:43,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324688509] [2020-11-30 00:53:43,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:43,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:53:43,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247249344] [2020-11-30 00:53:43,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:43,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:43,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:43,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:43,162 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-30 00:53:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:44,917 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-30 00:53:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:44,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-11-30 00:53:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:44,951 INFO L225 Difference]: With dead ends: 553 [2020-11-30 00:53:44,951 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 00:53:44,956 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 [2020-11-30 00:53:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 00:53:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-30 00:53:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 00:53:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-30 00:53:45,027 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 32 [2020-11-30 00:53:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:45,028 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-30 00:53:45,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-30 00:53:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 00:53:45,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:45,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:53:45,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:53:45,034 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:45,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:45,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1473341090, now seen corresponding path program 1 times [2020-11-30 00:53:45,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:45,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738221451] [2020-11-30 00:53:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:45,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738221451] [2020-11-30 00:53:45,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:45,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:53:45,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999443606] [2020-11-30 00:53:45,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:45,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:45,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:45,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:45,297 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-30 00:53:46,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:46,308 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-11-30 00:53:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:46,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-30 00:53:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:46,314 INFO L225 Difference]: With dead ends: 701 [2020-11-30 00:53:46,314 INFO L226 Difference]: Without dead ends: 421 [2020-11-30 00:53:46,317 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 [2020-11-30 00:53:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-30 00:53:46,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-30 00:53:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-30 00:53:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-11-30 00:53:46,398 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 98 [2020-11-30 00:53:46,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:46,399 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-11-30 00:53:46,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-11-30 00:53:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 00:53:46,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:46,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:53:46,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:53:46,407 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:46,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:46,408 INFO L82 PathProgramCache]: Analyzing trace with hash -334326093, now seen corresponding path program 1 times [2020-11-30 00:53:46,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:46,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505396578] [2020-11-30 00:53:46,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:46,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505396578] [2020-11-30 00:53:46,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:46,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:53:46,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789946671] [2020-11-30 00:53:46,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:46,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:46,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:46,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:46,608 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-11-30 00:53:47,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:47,495 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-11-30 00:53:47,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:47,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-30 00:53:47,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:47,501 INFO L225 Difference]: With dead ends: 979 [2020-11-30 00:53:47,501 INFO L226 Difference]: Without dead ends: 560 [2020-11-30 00:53:47,503 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 [2020-11-30 00:53:47,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-30 00:53:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-30 00:53:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-30 00:53:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-11-30 00:53:47,534 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 105 [2020-11-30 00:53:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:47,535 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-11-30 00:53:47,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-11-30 00:53:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 00:53:47,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:47,542 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:53:47,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:53:47,543 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:47,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:47,543 INFO L82 PathProgramCache]: Analyzing trace with hash 910629102, now seen corresponding path program 1 times [2020-11-30 00:53:47,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:47,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876843922] [2020-11-30 00:53:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:47,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876843922] [2020-11-30 00:53:47,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:47,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:53:47,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103202754] [2020-11-30 00:53:47,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:47,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:47,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:47,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:47,701 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-11-30 00:53:48,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:48,549 INFO L93 Difference]: Finished difference Result 1118 states and 1414 transitions. [2020-11-30 00:53:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:48,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-11-30 00:53:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:48,565 INFO L225 Difference]: With dead ends: 1118 [2020-11-30 00:53:48,565 INFO L226 Difference]: Without dead ends: 699 [2020-11-30 00:53:48,567 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 [2020-11-30 00:53:48,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-30 00:53:48,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-30 00:53:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-30 00:53:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 849 transitions. [2020-11-30 00:53:48,595 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 849 transitions. Word has length 107 [2020-11-30 00:53:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:48,596 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 849 transitions. [2020-11-30 00:53:48,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 849 transitions. [2020-11-30 00:53:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-30 00:53:48,604 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:48,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:53:48,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:53:48,605 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:48,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:48,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1699642054, now seen corresponding path program 1 times [2020-11-30 00:53:48,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:48,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450872357] [2020-11-30 00:53:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:48,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450872357] [2020-11-30 00:53:48,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:48,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:53:48,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151830360] [2020-11-30 00:53:48,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:48,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:48,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:48,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:48,834 INFO L87 Difference]: Start difference. First operand 699 states and 849 transitions. Second operand 3 states. [2020-11-30 00:53:49,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:49,819 INFO L93 Difference]: Finished difference Result 1535 states and 1880 transitions. [2020-11-30 00:53:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:49,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-30 00:53:49,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:49,831 INFO L225 Difference]: With dead ends: 1535 [2020-11-30 00:53:49,831 INFO L226 Difference]: Without dead ends: 977 [2020-11-30 00:53:49,833 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 [2020-11-30 00:53:49,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-30 00:53:49,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-30 00:53:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-30 00:53:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1122 transitions. [2020-11-30 00:53:49,863 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1122 transitions. Word has length 123 [2020-11-30 00:53:49,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:49,864 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1122 transitions. [2020-11-30 00:53:49,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1122 transitions. [2020-11-30 00:53:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:53:49,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:49,870 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:53:49,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:53:49,870 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:49,871 INFO L82 PathProgramCache]: Analyzing trace with hash 884283863, now seen corresponding path program 1 times [2020-11-30 00:53:49,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:49,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136122787] [2020-11-30 00:53:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:50,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136122787] [2020-11-30 00:53:50,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:50,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:53:50,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520885742] [2020-11-30 00:53:50,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:53:50,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:50,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:53:50,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:53:50,362 INFO L87 Difference]: Start difference. First operand 977 states and 1122 transitions. Second operand 7 states. [2020-11-30 00:53:51,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:51,361 INFO L93 Difference]: Finished difference Result 1868 states and 2153 transitions. [2020-11-30 00:53:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:53:51,362 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-11-30 00:53:51,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:51,369 INFO L225 Difference]: With dead ends: 1868 [2020-11-30 00:53:51,369 INFO L226 Difference]: Without dead ends: 977 [2020-11-30 00:53:51,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:53:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-30 00:53:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-30 00:53:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-30 00:53:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2020-11-30 00:53:51,412 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 180 [2020-11-30 00:53:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:51,418 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2020-11-30 00:53:51,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:53:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2020-11-30 00:53:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-30 00:53:51,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:51,424 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:53:51,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:53:51,425 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:51,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:51,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1362907023, now seen corresponding path program 1 times [2020-11-30 00:53:51,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:51,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784020071] [2020-11-30 00:53:51,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 00:53:51,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784020071] [2020-11-30 00:53:51,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:51,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:53:51,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704187524] [2020-11-30 00:53:51,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:51,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:51,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:51,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:51,684 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2020-11-30 00:53:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:52,632 INFO L93 Difference]: Finished difference Result 1952 states and 2280 transitions. [2020-11-30 00:53:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:52,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-11-30 00:53:52,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:52,644 INFO L225 Difference]: With dead ends: 1952 [2020-11-30 00:53:52,644 INFO L226 Difference]: Without dead ends: 1116 [2020-11-30 00:53:52,646 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 [2020-11-30 00:53:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-30 00:53:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-11-30 00:53:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-30 00:53:52,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions. [2020-11-30 00:53:52,677 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 216 [2020-11-30 00:53:52,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:52,678 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions. [2020-11-30 00:53:52,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions. [2020-11-30 00:53:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-30 00:53:52,683 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:52,684 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:53:52,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:53:52,684 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:52,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:52,685 INFO L82 PathProgramCache]: Analyzing trace with hash -808735208, now seen corresponding path program 1 times [2020-11-30 00:53:52,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:52,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644170155] [2020-11-30 00:53:52,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-11-30 00:53:53,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644170155] [2020-11-30 00:53:53,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162636593] [2020-11-30 00:53:53,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:53:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:53,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:53:53,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:53:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-11-30 00:53:53,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:53:53,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 00:53:53,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904104183] [2020-11-30 00:53:53,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:53,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:53,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:53,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:53:53,402 INFO L87 Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states. [2020-11-30 00:53:54,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:54,582 INFO L93 Difference]: Finished difference Result 1813 states and 2067 transitions. [2020-11-30 00:53:54,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:54,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-30 00:53:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:54,596 INFO L225 Difference]: With dead ends: 1813 [2020-11-30 00:53:54,596 INFO L226 Difference]: Without dead ends: 1811 [2020-11-30 00:53:54,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:53:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-30 00:53:54,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-11-30 00:53:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:53:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-11-30 00:53:54,654 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 226 [2020-11-30 00:53:54,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:54,655 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-11-30 00:53:54,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-11-30 00:53:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-30 00:53:54,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:54,664 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:53:54,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-30 00:53:54,878 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:54,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:54,879 INFO L82 PathProgramCache]: Analyzing trace with hash -114571311, now seen corresponding path program 1 times [2020-11-30 00:53:54,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:54,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213292840] [2020-11-30 00:53:54,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-30 00:53:55,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213292840] [2020-11-30 00:53:55,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270386880] [2020-11-30 00:53:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:53:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:55,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:53:55,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:53:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-30 00:53:55,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:53:55,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:53:55,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149420187] [2020-11-30 00:53:55,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:55,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:55,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:55,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:53:55,780 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-11-30 00:53:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:56,809 INFO L93 Difference]: Finished difference Result 1952 states and 2255 transitions. [2020-11-30 00:53:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:56,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-11-30 00:53:56,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:56,823 INFO L225 Difference]: With dead ends: 1952 [2020-11-30 00:53:56,824 INFO L226 Difference]: Without dead ends: 1950 [2020-11-30 00:53:56,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:53:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-11-30 00:53:56,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1255. [2020-11-30 00:53:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 00:53:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-11-30 00:53:56,875 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 280 [2020-11-30 00:53:56,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:56,876 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-11-30 00:53:56,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-11-30 00:53:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-11-30 00:53:56,884 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:56,885 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:53:57,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:53:57,111 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:57,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:57,112 INFO L82 PathProgramCache]: Analyzing trace with hash 2042951730, now seen corresponding path program 1 times [2020-11-30 00:53:57,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:57,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654122744] [2020-11-30 00:53:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 289 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:53:57,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654122744] [2020-11-30 00:53:57,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348617742] [2020-11-30 00:53:57,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:53:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:58,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:53:58,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:53:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:53:58,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:53:58,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-30 00:53:58,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526809053] [2020-11-30 00:53:58,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:58,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:58,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:58,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:53:58,253 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-11-30 00:53:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:53:59,305 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-11-30 00:53:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:53:59,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-11-30 00:53:59,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:53:59,320 INFO L225 Difference]: With dead ends: 3203 [2020-11-30 00:53:59,320 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 00:53:59,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:53:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 00:53:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-30 00:53:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 00:53:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-11-30 00:53:59,392 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 332 [2020-11-30 00:53:59,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:53:59,393 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-11-30 00:53:59,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:53:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-11-30 00:53:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-11-30 00:53:59,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:53:59,405 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:53:59,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:53:59,615 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:53:59,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:53:59,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1037700048, now seen corresponding path program 1 times [2020-11-30 00:53:59,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:53:59,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007074988] [2020-11-30 00:53:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:53:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:53:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-30 00:53:59,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007074988] [2020-11-30 00:53:59,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:53:59,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:53:59,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885303109] [2020-11-30 00:53:59,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:53:59,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:53:59,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:53:59,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:53:59,916 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-11-30 00:54:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:54:00,904 INFO L93 Difference]: Finished difference Result 4313 states and 4894 transitions. [2020-11-30 00:54:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:54:00,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2020-11-30 00:54:00,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:54:00,906 INFO L225 Difference]: With dead ends: 4313 [2020-11-30 00:54:00,907 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:54:00,912 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 [2020-11-30 00:54:00,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:54:00,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:54:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:54:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:54:00,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 345 [2020-11-30 00:54:00,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:54:00,914 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:54:00,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:54:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:54:00,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:54:00,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:54:00,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:54:01,177 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-11-30 00:54:01,403 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-11-30 00:54:01,409 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-30 00:54:01,409 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-30 00:54:01,409 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-30 00:54:01,409 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,410 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:54:01,411 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,412 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:54:01,413 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,414 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,415 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,415 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,415 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,415 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-30 00:54:01,418 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-30 00:54:01,418 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-30 00:54:01,418 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:54:01,418 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:54:01,419 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:54:01,419 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:54:01,419 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:54:01,419 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:54:01,419 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-30 00:54:01,420 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-30 00:54:01,420 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-30 00:54:01,420 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:54:01,420 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-30 00:54:01,420 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,420 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,421 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,421 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,421 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,421 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,421 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-30 00:54:01,421 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-30 00:54:01,422 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:54:01,422 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:54:01,422 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:54:01,422 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:54:01,422 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:54:01,422 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:54:01,423 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-30 00:54:01,423 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-30 00:54:01,423 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-30 00:54:01,423 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,423 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,424 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,424 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,424 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,424 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-30 00:54:01,424 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-30 00:54:01,424 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-30 00:54:01,425 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-30 00:54:01,425 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:54:01,425 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:54:01,425 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:54:01,425 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:54:01,425 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:54:01,426 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-30 00:54:01,426 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-30 00:54:01,426 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-30 00:54:01,426 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-30 00:54:01,426 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-30 00:54:01,426 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,427 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,427 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,427 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,427 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,427 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-30 00:54:01,427 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:54:01,428 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:54:01,428 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:54:01,428 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:54:01,428 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:54:01,428 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:54:01,430 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-30 00:54:01,431 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-30 00:54:01,431 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-30 00:54:01,431 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-30 00:54:01,431 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-30 00:54:01,431 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,432 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,432 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,432 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,432 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,432 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-30 00:54:01,432 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-30 00:54:01,433 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-30 00:54:01,433 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:54:01,433 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:54:01,433 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:54:01,433 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:54:01,433 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:54:01,434 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-30 00:54:01,434 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-30 00:54:01,434 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-30 00:54:01,434 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-30 00:54:01,434 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-30 00:54:01,435 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-30 00:54:01,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:54:01,435 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,435 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,435 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,435 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,436 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,436 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:54:01,436 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:54:01,436 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:54:01,436 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:54:01,436 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:54:01,437 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-30 00:54:01,437 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-30 00:54:01,437 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-30 00:54:01,437 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-30 00:54:01,437 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,437 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,438 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,438 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,438 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:54:01,438 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,438 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-30 00:54:01,438 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-30 00:54:01,439 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-30 00:54:01,439 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-30 00:54:01,439 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:54:01,439 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:54:01,439 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:54:01,440 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:54:01,440 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:54:01,440 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-30 00:54:01,440 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-30 00:54:01,440 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-30 00:54:01,441 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-30 00:54:01,441 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-30 00:54:01,441 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,441 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,441 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,441 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,442 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 00:54:01,442 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,442 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,442 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-30 00:54:01,442 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-30 00:54:01,442 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-30 00:54:01,443 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:54:01,443 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:54:01,443 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:54:01,443 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:54:01,443 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:54:01,443 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 00:54:01,444 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:54:01,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:54:01,444 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-30 00:54:01,444 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-30 00:54:01,444 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-30 00:54:01,445 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-30 00:54:01,445 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,445 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,445 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,445 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,445 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,446 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 00:54:01,446 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-30 00:54:01,446 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-30 00:54:01,446 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-30 00:54:01,446 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:54:01,446 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:54:01,447 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:54:01,447 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:54:01,447 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:54:01,447 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:54:01,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:54:01 BoogieIcfgContainer [2020-11-30 00:54:01,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:54:01,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:54:01,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:54:01,507 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:54:01,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:53:42" (3/4) ... [2020-11-30 00:54:01,513 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:54:01,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:54:01,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:54:01,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:54:01,556 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:54:01,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_980d0d50-3b42-48c0-a19e-b265ca9c5414/bin/uautomizer/witness.graphml [2020-11-30 00:54:01,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:54:01,788 INFO L168 Benchmark]: Toolchain (without parser) took 22709.93 ms. Allocated memory was 109.1 MB in the beginning and 411.0 MB in the end (delta: 302.0 MB). Free memory was 70.6 MB in the beginning and 343.4 MB in the end (delta: -272.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,789 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory was 88.6 MB in the beginning and 88.5 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:54:01,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 912.99 ms. Allocated memory is still 109.1 MB. Free memory was 70.4 MB in the beginning and 68.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.83 ms. Allocated memory is still 109.1 MB. Free memory was 67.7 MB in the beginning and 60.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,790 INFO L168 Benchmark]: Boogie Preprocessor took 118.50 ms. Allocated memory is still 109.1 MB. Free memory was 60.1 MB in the beginning and 54.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,791 INFO L168 Benchmark]: RCFGBuilder took 2344.65 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 54.8 MB in the beginning and 84.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,791 INFO L168 Benchmark]: TraceAbstraction took 18908.21 ms. Allocated memory was 140.5 MB in the beginning and 411.0 MB in the end (delta: 270.5 MB). Free memory was 84.8 MB in the beginning and 358.1 MB in the end (delta: -273.3 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,792 INFO L168 Benchmark]: Witness Printer took 280.54 ms. Allocated memory is still 411.0 MB. Free memory was 358.1 MB in the beginning and 343.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:54:01,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 109.1 MB. Free memory was 88.6 MB in the beginning and 88.5 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 912.99 ms. Allocated memory is still 109.1 MB. Free memory was 70.4 MB in the beginning and 68.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.83 ms. Allocated memory is still 109.1 MB. Free memory was 67.7 MB in the beginning and 60.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 118.50 ms. Allocated memory is still 109.1 MB. Free memory was 60.1 MB in the beginning and 54.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2344.65 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 54.8 MB in the beginning and 84.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18908.21 ms. Allocated memory was 140.5 MB in the beginning and 411.0 MB in the end (delta: 270.5 MB). Free memory was 84.8 MB in the beginning and 358.1 MB in the end (delta: -273.3 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.1 GB. * Witness Printer took 280.54 ms. Allocated memory is still 411.0 MB. Free memory was 358.1 MB in the beginning and 343.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1264 SDtfs, 1207 SDslu, 53 SDs, 0 SdLazy, 4096 SolverSat, 637 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 184 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2882 NumberOfCodeBlocks, 2882 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2868 ConstructedInterpolants, 0 QuantifiedInterpolants, 2763929 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1219 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1893/2026 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...