./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29.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_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/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 5ed5f96ec62512a1ce27f5120a7de01f72ef15e0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:20:47,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:20:47,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:20:47,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:20:47,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:20:47,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:20:47,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:20:47,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:20:47,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:20:47,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:20:47,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:20:47,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:20:47,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:20:47,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:20:47,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:20:47,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:20:47,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:20:47,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:20:47,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:20:47,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:20:47,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:20:47,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:20:47,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:20:47,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:20:47,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:20:47,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:20:47,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:20:47,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:20:47,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:20:47,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:20:47,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:20:47,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:20:47,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:20:47,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:20:47,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:20:47,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:20:47,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:20:47,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:20:47,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:20:47,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:20:47,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:20:47,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:20:47,320 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:20:47,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:20:47,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:20:47,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:20:47,322 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:20:47,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:20:47,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:20:47,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:20:47,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:20:47,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:20:47,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:20:47,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:20:47,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:20:47,325 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:20:47,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:20:47,326 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:20:47,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:20:47,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:20:47,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:20:47,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:20:47,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:20:47,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:20:47,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:20:47,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:20:47,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:20:47,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:20:47,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:20:47,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:20:47,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:20:47,329 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_c452dcb1-939f-4246-abbf-b39deea247c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed5f96ec62512a1ce27f5120a7de01f72ef15e0 [2020-11-30 01:20:47,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:20:47,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:20:47,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:20:47,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:20:47,629 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:20:47,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2020-11-30 01:20:47,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/data/0902dab6b/cea60b078a2645b2824f8067638a69a9/FLAG483b6b78a [2020-11-30 01:20:48,267 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:20:48,267 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/sv-benchmarks/c/eca-rers2012/Problem02_label29.c [2020-11-30 01:20:48,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/data/0902dab6b/cea60b078a2645b2824f8067638a69a9/FLAG483b6b78a [2020-11-30 01:20:48,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/data/0902dab6b/cea60b078a2645b2824f8067638a69a9 [2020-11-30 01:20:48,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:20:48,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:20:48,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:48,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:20:48,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:20:48,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:48" (1/1) ... [2020-11-30 01:20:48,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30033c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:48, skipping insertion in model container [2020-11-30 01:20:48,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:48" (1/1) ... [2020-11-30 01:20:48,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:20:48,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:20:49,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,041 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:20:49,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,145 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:20:49,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49 WrapperNode [2020-11-30 01:20:49,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:49,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:49,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:20:49,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:20:49,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:49,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:20:49,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:20:49,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:20:49,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:20:49,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:20:49,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:20:49,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:20:49,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/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 01:20:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:20:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:20:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:20:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:20:50,740 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:20:50,740 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:20:50,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:50 BoogieIcfgContainer [2020-11-30 01:20:50,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:20:50,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:20:50,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:20:50,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:20:50,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:20:48" (1/3) ... [2020-11-30 01:20:50,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d714371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:20:50, skipping insertion in model container [2020-11-30 01:20:50,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (2/3) ... [2020-11-30 01:20:50,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d714371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:20:50, skipping insertion in model container [2020-11-30 01:20:50,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:50" (3/3) ... [2020-11-30 01:20:50,755 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label29.c [2020-11-30 01:20:50,772 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:20:50,777 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:20:50,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:20:50,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:20:50,818 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:20:50,818 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:20:50,818 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:20:50,818 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:20:50,819 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:20:50,819 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:20:50,819 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:20:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-30 01:20:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-30 01:20:50,852 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:50,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:50,853 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:50,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:50,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1023341155, now seen corresponding path program 1 times [2020-11-30 01:20:50,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:50,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417686496] [2020-11-30 01:20:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:51,352 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 01:20:51,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417686496] [2020-11-30 01:20:51,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:51,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:51,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417698203] [2020-11-30 01:20:51,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:51,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:51,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:51,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:51,376 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-30 01:20:52,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:52,559 INFO L93 Difference]: Finished difference Result 640 states and 1083 transitions. [2020-11-30 01:20:52,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:52,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-11-30 01:20:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:52,576 INFO L225 Difference]: With dead ends: 640 [2020-11-30 01:20:52,576 INFO L226 Difference]: Without dead ends: 318 [2020-11-30 01:20:52,580 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 01:20:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-30 01:20:52,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2020-11-30 01:20:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-11-30 01:20:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2020-11-30 01:20:52,672 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 102 [2020-11-30 01:20:52,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:52,673 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2020-11-30 01:20:52,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2020-11-30 01:20:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-30 01:20:52,676 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:52,677 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:52,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:20:52,677 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:52,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:52,678 INFO L82 PathProgramCache]: Analyzing trace with hash 515292106, now seen corresponding path program 1 times [2020-11-30 01:20:52,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:52,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073339484] [2020-11-30 01:20:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:52,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073339484] [2020-11-30 01:20:52,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:52,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:52,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731975542] [2020-11-30 01:20:52,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:52,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:52,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:52,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:52,767 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2020-11-30 01:20:53,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:53,445 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2020-11-30 01:20:53,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:53,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-30 01:20:53,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:53,450 INFO L225 Difference]: With dead ends: 910 [2020-11-30 01:20:53,450 INFO L226 Difference]: Without dead ends: 599 [2020-11-30 01:20:53,452 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 01:20:53,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-30 01:20:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2020-11-30 01:20:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-11-30 01:20:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2020-11-30 01:20:53,507 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 106 [2020-11-30 01:20:53,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:53,508 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2020-11-30 01:20:53,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2020-11-30 01:20:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 01:20:53,520 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:53,520 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:53,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:20:53,521 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:53,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:53,522 INFO L82 PathProgramCache]: Analyzing trace with hash 366492439, now seen corresponding path program 1 times [2020-11-30 01:20:53,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:53,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111064358] [2020-11-30 01:20:53,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111064358] [2020-11-30 01:20:53,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682422364] [2020-11-30 01:20:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/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 01:20:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:20:53,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:20:53,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:20:53,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 01:20:53,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533796315] [2020-11-30 01:20:53,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:53,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:53,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:53,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:20:53,906 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2020-11-30 01:20:54,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:54,834 INFO L93 Difference]: Finished difference Result 1611 states and 2114 transitions. [2020-11-30 01:20:54,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:54,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-11-30 01:20:54,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:54,842 INFO L225 Difference]: With dead ends: 1611 [2020-11-30 01:20:54,849 INFO L226 Difference]: Without dead ends: 1017 [2020-11-30 01:20:54,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:20:54,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-11-30 01:20:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 737. [2020-11-30 01:20:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-11-30 01:20:54,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 987 transitions. [2020-11-30 01:20:54,897 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 987 transitions. Word has length 111 [2020-11-30 01:20:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:54,899 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 987 transitions. [2020-11-30 01:20:54,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 987 transitions. [2020-11-30 01:20:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-30 01:20:54,906 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:54,906 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:55,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 01:20:55,131 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:55,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,132 INFO L82 PathProgramCache]: Analyzing trace with hash 372370139, now seen corresponding path program 1 times [2020-11-30 01:20:55,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:55,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840793985] [2020-11-30 01:20:55,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:55,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840793985] [2020-11-30 01:20:55,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:55,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:55,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038537261] [2020-11-30 01:20:55,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:55,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:55,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:55,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:55,204 INFO L87 Difference]: Start difference. First operand 737 states and 987 transitions. Second operand 3 states. [2020-11-30 01:20:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:55,573 INFO L93 Difference]: Finished difference Result 1458 states and 1954 transitions. [2020-11-30 01:20:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:55,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-11-30 01:20:55,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:55,578 INFO L225 Difference]: With dead ends: 1458 [2020-11-30 01:20:55,578 INFO L226 Difference]: Without dead ends: 723 [2020-11-30 01:20:55,579 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 01:20:55,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-11-30 01:20:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2020-11-30 01:20:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-11-30 01:20:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 914 transitions. [2020-11-30 01:20:55,602 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 914 transitions. Word has length 113 [2020-11-30 01:20:55,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:55,603 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 914 transitions. [2020-11-30 01:20:55,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:55,603 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2020-11-30 01:20:55,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-30 01:20:55,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:55,606 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:55,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:20:55,606 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:55,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,608 INFO L82 PathProgramCache]: Analyzing trace with hash 144767449, now seen corresponding path program 1 times [2020-11-30 01:20:55,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:55,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48794059] [2020-11-30 01:20:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 01:20:55,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48794059] [2020-11-30 01:20:55,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:55,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:55,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311784498] [2020-11-30 01:20:55,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:55,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:55,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:55,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:55,718 INFO L87 Difference]: Start difference. First operand 723 states and 914 transitions. Second operand 3 states. [2020-11-30 01:20:56,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:56,355 INFO L93 Difference]: Finished difference Result 1585 states and 2062 transitions. [2020-11-30 01:20:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:56,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-11-30 01:20:56,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:56,362 INFO L225 Difference]: With dead ends: 1585 [2020-11-30 01:20:56,362 INFO L226 Difference]: Without dead ends: 1004 [2020-11-30 01:20:56,365 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 01:20:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-11-30 01:20:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2020-11-30 01:20:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-30 01:20:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1245 transitions. [2020-11-30 01:20:56,401 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1245 transitions. Word has length 133 [2020-11-30 01:20:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:56,402 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1245 transitions. [2020-11-30 01:20:56,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2020-11-30 01:20:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:20:56,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:56,406 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:56,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:20:56,407 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:56,407 INFO L82 PathProgramCache]: Analyzing trace with hash 756900681, now seen corresponding path program 1 times [2020-11-30 01:20:56,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:56,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190859663] [2020-11-30 01:20:56,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-30 01:20:56,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190859663] [2020-11-30 01:20:56,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146024205] [2020-11-30 01:20:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/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 01:20:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:56,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:20:56,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:20:56,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:20:56,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:20:56,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309216689] [2020-11-30 01:20:56,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:56,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:56,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:56,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:20:56,722 INFO L87 Difference]: Start difference. First operand 1004 states and 1245 transitions. Second operand 3 states. [2020-11-30 01:20:57,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:57,378 INFO L93 Difference]: Finished difference Result 2427 states and 3069 transitions. [2020-11-30 01:20:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:57,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-30 01:20:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:57,388 INFO L225 Difference]: With dead ends: 2427 [2020-11-30 01:20:57,388 INFO L226 Difference]: Without dead ends: 1565 [2020-11-30 01:20:57,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 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 01:20:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-11-30 01:20:57,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1565. [2020-11-30 01:20:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2020-11-30 01:20:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1871 transitions. [2020-11-30 01:20:57,450 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1871 transitions. Word has length 155 [2020-11-30 01:20:57,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:57,452 INFO L481 AbstractCegarLoop]: Abstraction has 1565 states and 1871 transitions. [2020-11-30 01:20:57,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1871 transitions. [2020-11-30 01:20:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 01:20:57,457 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:57,457 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:57,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:20:57,673 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:57,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1563697005, now seen corresponding path program 1 times [2020-11-30 01:20:57,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:57,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982417105] [2020-11-30 01:20:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:20:57,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982417105] [2020-11-30 01:20:57,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:57,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:20:57,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017615086] [2020-11-30 01:20:57,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:57,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:57,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:57,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:57,762 INFO L87 Difference]: Start difference. First operand 1565 states and 1871 transitions. Second operand 3 states. [2020-11-30 01:20:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:58,388 INFO L93 Difference]: Finished difference Result 3125 states and 3746 transitions. [2020-11-30 01:20:58,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:58,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-30 01:20:58,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:58,397 INFO L225 Difference]: With dead ends: 3125 [2020-11-30 01:20:58,397 INFO L226 Difference]: Without dead ends: 1419 [2020-11-30 01:20:58,399 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 01:20:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2020-11-30 01:20:58,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1419. [2020-11-30 01:20:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2020-11-30 01:20:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1575 transitions. [2020-11-30 01:20:58,440 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1575 transitions. Word has length 157 [2020-11-30 01:20:58,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:58,440 INFO L481 AbstractCegarLoop]: Abstraction has 1419 states and 1575 transitions. [2020-11-30 01:20:58,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1575 transitions. [2020-11-30 01:20:58,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-30 01:20:58,445 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:58,445 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:58,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:20:58,445 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:58,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:58,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1925256931, now seen corresponding path program 1 times [2020-11-30 01:20:58,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:58,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560324407] [2020-11-30 01:20:58,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:20:58,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560324407] [2020-11-30 01:20:58,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:58,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:20:58,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362136495] [2020-11-30 01:20:58,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:58,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:58,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:58,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:58,528 INFO L87 Difference]: Start difference. First operand 1419 states and 1575 transitions. Second operand 3 states. [2020-11-30 01:20:59,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:59,116 INFO L93 Difference]: Finished difference Result 2695 states and 3004 transitions. [2020-11-30 01:20:59,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:59,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-30 01:20:59,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:59,123 INFO L225 Difference]: With dead ends: 2695 [2020-11-30 01:20:59,124 INFO L226 Difference]: Without dead ends: 1276 [2020-11-30 01:20:59,130 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 01:20:59,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-11-30 01:20:59,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1274. [2020-11-30 01:20:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2020-11-30 01:20:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1373 transitions. [2020-11-30 01:20:59,163 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1373 transitions. Word has length 161 [2020-11-30 01:20:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:59,164 INFO L481 AbstractCegarLoop]: Abstraction has 1274 states and 1373 transitions. [2020-11-30 01:20:59,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1373 transitions. [2020-11-30 01:20:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-30 01:20:59,169 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:59,169 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:59,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:20:59,169 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:59,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:59,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1288342119, now seen corresponding path program 1 times [2020-11-30 01:20:59,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:59,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785540848] [2020-11-30 01:20:59,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 01:20:59,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785540848] [2020-11-30 01:20:59,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:59,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:20:59,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624026187] [2020-11-30 01:20:59,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:59,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:59,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:59,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:59,291 INFO L87 Difference]: Start difference. First operand 1274 states and 1373 transitions. Second operand 3 states. [2020-11-30 01:20:59,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:59,856 INFO L93 Difference]: Finished difference Result 2825 states and 3062 transitions. [2020-11-30 01:20:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:59,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-11-30 01:20:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:59,867 INFO L225 Difference]: With dead ends: 2825 [2020-11-30 01:20:59,867 INFO L226 Difference]: Without dead ends: 1693 [2020-11-30 01:20:59,869 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 01:20:59,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2020-11-30 01:20:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1273. [2020-11-30 01:20:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2020-11-30 01:20:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1371 transitions. [2020-11-30 01:20:59,901 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1371 transitions. Word has length 200 [2020-11-30 01:20:59,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:59,901 INFO L481 AbstractCegarLoop]: Abstraction has 1273 states and 1371 transitions. [2020-11-30 01:20:59,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1371 transitions. [2020-11-30 01:20:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-11-30 01:20:59,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:59,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:59,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:20:59,906 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:59,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1245779084, now seen corresponding path program 1 times [2020-11-30 01:20:59,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:59,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510646205] [2020-11-30 01:20:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:00,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510646205] [2020-11-30 01:21:00,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659585786] [2020-11-30 01:21:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/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 01:21:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:00,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:00,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:21:00,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:00,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:21:00,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986478656] [2020-11-30 01:21:00,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:00,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:00,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:00,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:21:00,426 INFO L87 Difference]: Start difference. First operand 1273 states and 1371 transitions. Second operand 3 states. [2020-11-30 01:21:00,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:00,992 INFO L93 Difference]: Finished difference Result 2683 states and 2907 transitions. [2020-11-30 01:21:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:00,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-11-30 01:21:00,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:00,994 INFO L225 Difference]: With dead ends: 2683 [2020-11-30 01:21:00,994 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:21:00,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:21:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:21:00,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:21:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:21:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:21:00,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-11-30 01:21:00,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:00,997 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:00,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:21:00,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:21:01,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 01:21:01,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:21:01,384 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-11-30 01:21:01,543 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-30 01:21:01,546 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,547 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-30 01:21:01,548 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,549 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-30 01:21:01,550 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-30 01:21:01,551 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-30 01:21:01,552 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-30 01:21:01,553 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-30 01:21:01,556 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-30 01:21:01,557 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-30 01:21:01,558 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-30 01:21:01,559 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-30 01:21:01,560 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-30 01:21:01,560 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-30 01:21:01,560 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:21:01,560 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse5 (not (= ~a11~0 1))) (.cse3 (= ~a19~0 1)) (.cse4 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (and (= ~a25~0 0) .cse0 .cse1) (and (<= 9 ~a28~0) .cse2 .cse0 .cse1) (and (= ~a25~0 ~a11~0) .cse3 .cse2 (<= ~a28~0 7) .cse0) (and .cse3 .cse4 .cse2 .cse5 .cse0) (and .cse3 .cse4 .cse2 .cse0 .cse1) (and .cse4 .cse2 .cse5 .cse0 .cse1) (and .cse3 (<= 10 ~a28~0) .cse4 .cse0 .cse1))) [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-30 01:21:01,561 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-30 01:21:01,562 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-30 01:21:01,563 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-30 01:21:01,564 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-30 01:21:01,564 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:21:01,564 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 01:21:01,564 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-30 01:21:01,564 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse5 (not (= ~a11~0 1))) (.cse3 (= ~a19~0 1)) (.cse4 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (and (= ~a25~0 0) .cse0 .cse1) (and (<= 9 ~a28~0) .cse2 .cse0 .cse1) (and (= ~a25~0 ~a11~0) .cse3 .cse2 (<= ~a28~0 7) .cse0) (and .cse3 .cse4 .cse2 .cse5 .cse0) (and .cse3 .cse4 .cse2 .cse0 .cse1) (and .cse4 .cse2 .cse5 .cse0 .cse1) (and .cse3 (<= 10 ~a28~0) .cse4 .cse0 .cse1))) [2020-11-30 01:21:01,564 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,564 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,565 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-30 01:21:01,566 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-30 01:21:01,567 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-30 01:21:01,568 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-30 01:21:01,569 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-30 01:21:01,570 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-30 01:21:01,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:21:01 BoogieIcfgContainer [2020-11-30 01:21:01,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:21:01,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:21:01,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:21:01,621 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:21:01,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:50" (3/4) ... [2020-11-30 01:21:01,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:21:01,649 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:21:01,650 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:21:01,651 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:01,653 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:01,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c452dcb1-939f-4246-abbf-b39deea247c5/bin/uautomizer/witness.graphml [2020-11-30 01:21:01,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:21:01,803 INFO L168 Benchmark]: Toolchain (without parser) took 13293.61 ms. Allocated memory was 113.2 MB in the beginning and 255.9 MB in the end (delta: 142.6 MB). Free memory was 79.9 MB in the beginning and 98.3 MB in the end (delta: -18.5 MB). Peak memory consumption was 124.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,804 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 71.3 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:01,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.55 ms. Allocated memory is still 113.2 MB. Free memory was 79.6 MB in the beginning and 73.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.76 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 67.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,805 INFO L168 Benchmark]: Boogie Preprocessor took 101.04 ms. Allocated memory is still 113.2 MB. Free memory was 67.5 MB in the beginning and 63.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,805 INFO L168 Benchmark]: RCFGBuilder took 1387.00 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 63.3 MB in the beginning and 82.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,806 INFO L168 Benchmark]: TraceAbstraction took 10871.67 ms. Allocated memory was 140.5 MB in the beginning and 255.9 MB in the end (delta: 115.3 MB). Free memory was 81.2 MB in the beginning and 114.1 MB in the end (delta: -32.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,806 INFO L168 Benchmark]: Witness Printer took 183.15 ms. Allocated memory is still 255.9 MB. Free memory was 114.1 MB in the beginning and 98.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:01,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 71.3 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.55 ms. Allocated memory is still 113.2 MB. Free memory was 79.6 MB in the beginning and 73.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.76 ms. Allocated memory is still 113.2 MB. Free memory was 73.2 MB in the beginning and 67.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.04 ms. Allocated memory is still 113.2 MB. Free memory was 67.5 MB in the beginning and 63.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1387.00 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 63.3 MB in the beginning and 82.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10871.67 ms. Allocated memory was 140.5 MB in the beginning and 255.9 MB in the end (delta: 115.3 MB). Free memory was 81.2 MB in the beginning and 114.1 MB in the end (delta: -32.9 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. * Witness Printer took 183.15 ms. Allocated memory is still 255.9 MB. Free memory was 114.1 MB in the beginning and 98.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a25 == a11 && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((8 <= a17 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a25 == 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((a25 == a11 && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10)) || ((((8 <= a17 && a25 == 1) && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 10 <= a28) && 8 <= a17) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 943 SDtfs, 1314 SDslu, 113 SDs, 0 SdLazy, 3333 SolverSat, 555 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 490 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1565occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 710 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 213 HoareAnnotationTreeSize, 3 FomulaSimplifications, 592 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1891 ConstructedInterpolants, 0 QuantifiedInterpolants, 826886 SizeOfPredicates, 3 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 794/858 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...