./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label37.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_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label37.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/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 6945cc41a1307d768849218ecc1e0a83fc49d7ce ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:35:08,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:08,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:08,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:08,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:08,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:08,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:08,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:08,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:08,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:08,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:08,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:08,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:08,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:08,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:08,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:08,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:08,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:08,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:08,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:08,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:08,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:08,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:08,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:08,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:08,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:08,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:08,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:08,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:08,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:08,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:08,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:08,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:08,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:08,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:08,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:08,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:08,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:08,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:08,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:08,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:08,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:35:08,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:08,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:08,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:08,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:08,216 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:08,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:08,217 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:08,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:08,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:08,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:08,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:35:08,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:35:08,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:35:08,219 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:08,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:08,219 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:08,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:35:08,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:08,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:08,221 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:35:08,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:35:08,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:08,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:08,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:35:08,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:35:08,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:08,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:35:08,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:35:08,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:08,223 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_f55751cf-6cb1-488f-8229-c1fee57a442e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6945cc41a1307d768849218ecc1e0a83fc49d7ce [2020-11-30 00:35:08,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:08,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:08,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:08,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:08,564 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:08,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2020-11-30 00:35:08,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/data/eda48c1e7/c1e221282ecd4f83964f94ee78e80332/FLAG5b98a1905 [2020-11-30 00:35:09,328 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:09,328 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2020-11-30 00:35:09,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/data/eda48c1e7/c1e221282ecd4f83964f94ee78e80332/FLAG5b98a1905 [2020-11-30 00:35:09,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/data/eda48c1e7/c1e221282ecd4f83964f94ee78e80332 [2020-11-30 00:35:09,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:09,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:09,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:09,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:09,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:09,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cae15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09, skipping insertion in model container [2020-11-30 00:35:09,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:09,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:10,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,413 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:10,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,618 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:10,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10 WrapperNode [2020-11-30 00:35:10,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:10,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:10,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:10,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:10,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:10,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:10,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:10,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:10,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:35:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:13,542 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:13,544 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:35:13,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:13 BoogieIcfgContainer [2020-11-30 00:35:13,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:13,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:35:13,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:35:13,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:35:13,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:35:09" (1/3) ... [2020-11-30 00:35:13,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d901818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:13, skipping insertion in model container [2020-11-30 00:35:13,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (2/3) ... [2020-11-30 00:35:13,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d901818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:35:13, skipping insertion in model container [2020-11-30 00:35:13,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:13" (3/3) ... [2020-11-30 00:35:13,560 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label37.c [2020-11-30 00:35:13,575 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:35:13,581 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:35:13,595 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:35:13,642 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:35:13,642 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:35:13,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:35:13,643 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:13,643 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:13,643 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:35:13,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:13,644 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:35:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-30 00:35:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:35:13,686 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:13,687 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] [2020-11-30 00:35:13,688 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:13,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2020-11-30 00:35:13,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:13,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231677540] [2020-11-30 00:35:13,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:14,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231677540] [2020-11-30 00:35:14,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:14,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:14,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791599173] [2020-11-30 00:35:14,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:14,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:14,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:14,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:14,173 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-30 00:35:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:16,094 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-30 00:35:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:16,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-11-30 00:35:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:16,140 INFO L225 Difference]: With dead ends: 762 [2020-11-30 00:35:16,147 INFO L226 Difference]: Without dead ends: 413 [2020-11-30 00:35:16,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:16,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-30 00:35:16,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-30 00:35:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-30 00:35:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-30 00:35:16,235 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 49 [2020-11-30 00:35:16,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:16,236 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-30 00:35:16,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-30 00:35:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-30 00:35:16,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:16,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:16,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:35:16,244 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:16,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:16,246 INFO L82 PathProgramCache]: Analyzing trace with hash 324991390, now seen corresponding path program 1 times [2020-11-30 00:35:16,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:16,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014331760] [2020-11-30 00:35:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:16,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014331760] [2020-11-30 00:35:16,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:16,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:16,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97890001] [2020-11-30 00:35:16,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:16,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:16,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:16,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:16,505 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-30 00:35:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:18,254 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-30 00:35:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:18,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-11-30 00:35:18,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:18,264 INFO L225 Difference]: With dead ends: 1211 [2020-11-30 00:35:18,264 INFO L226 Difference]: Without dead ends: 800 [2020-11-30 00:35:18,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:18,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-30 00:35:18,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-30 00:35:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-30 00:35:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-30 00:35:18,326 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 117 [2020-11-30 00:35:18,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:18,327 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-30 00:35:18,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-30 00:35:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:35:18,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:18,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:18,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:35:18,335 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:18,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:18,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1066496029, now seen corresponding path program 1 times [2020-11-30 00:35:18,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:18,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207131954] [2020-11-30 00:35:18,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:18,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207131954] [2020-11-30 00:35:18,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:18,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:35:18,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301328022] [2020-11-30 00:35:18,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:18,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:18,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:18,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:18,607 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-30 00:35:20,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:20,009 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-30 00:35:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:20,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-30 00:35:20,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:20,022 INFO L225 Difference]: With dead ends: 2314 [2020-11-30 00:35:20,022 INFO L226 Difference]: Without dead ends: 1527 [2020-11-30 00:35:20,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-30 00:35:20,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-30 00:35:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-30 00:35:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-30 00:35:20,089 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 119 [2020-11-30 00:35:20,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:20,092 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-30 00:35:20,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-30 00:35:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:35:20,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:20,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:20,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:35:20,106 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:20,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:20,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1315509509, now seen corresponding path program 1 times [2020-11-30 00:35:20,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:20,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592324064] [2020-11-30 00:35:20,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:20,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592324064] [2020-11-30 00:35:20,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:20,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:20,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570391914] [2020-11-30 00:35:20,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:20,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:20,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:20,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:20,267 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-11-30 00:35:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:21,753 INFO L93 Difference]: Finished difference Result 3257 states and 4123 transitions. [2020-11-30 00:35:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:21,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-11-30 00:35:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:21,769 INFO L225 Difference]: With dead ends: 3257 [2020-11-30 00:35:21,769 INFO L226 Difference]: Without dead ends: 1917 [2020-11-30 00:35:21,772 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:21,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-11-30 00:35:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-11-30 00:35:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-11-30 00:35:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2384 transitions. [2020-11-30 00:35:21,834 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2384 transitions. Word has length 176 [2020-11-30 00:35:21,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:21,837 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2384 transitions. [2020-11-30 00:35:21,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2384 transitions. [2020-11-30 00:35:21,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-30 00:35:21,848 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:21,849 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:21,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:35:21,849 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:21,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1502974436, now seen corresponding path program 1 times [2020-11-30 00:35:21,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:21,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163210503] [2020-11-30 00:35:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 00:35:22,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163210503] [2020-11-30 00:35:22,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:22,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:22,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533104394] [2020-11-30 00:35:22,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:22,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:22,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:22,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:22,154 INFO L87 Difference]: Start difference. First operand 1914 states and 2384 transitions. Second operand 3 states. [2020-11-30 00:35:23,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:23,737 INFO L93 Difference]: Finished difference Result 4389 states and 5590 transitions. [2020-11-30 00:35:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:23,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-11-30 00:35:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:23,753 INFO L225 Difference]: With dead ends: 4389 [2020-11-30 00:35:23,753 INFO L226 Difference]: Without dead ends: 2661 [2020-11-30 00:35:23,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-11-30 00:35:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-11-30 00:35:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-11-30 00:35:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3045 transitions. [2020-11-30 00:35:23,819 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3045 transitions. Word has length 231 [2020-11-30 00:35:23,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:23,819 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3045 transitions. [2020-11-30 00:35:23,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3045 transitions. [2020-11-30 00:35:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-11-30 00:35:23,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:23,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:23,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:35:23,836 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:23,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1410672627, now seen corresponding path program 1 times [2020-11-30 00:35:23,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:23,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488916439] [2020-11-30 00:35:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 00:35:24,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488916439] [2020-11-30 00:35:24,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69321964] [2020-11-30 00:35:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:35:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:24,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:35:24,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 00:35:25,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:35:25,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-30 00:35:25,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249546995] [2020-11-30 00:35:25,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:25,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:25,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:25,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:35:25,013 INFO L87 Difference]: Start difference. First operand 2467 states and 3045 transitions. Second operand 3 states. [2020-11-30 00:35:26,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:26,805 INFO L93 Difference]: Finished difference Result 5862 states and 7297 transitions. [2020-11-30 00:35:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:26,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-11-30 00:35:26,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:26,827 INFO L225 Difference]: With dead ends: 5862 [2020-11-30 00:35:26,828 INFO L226 Difference]: Without dead ends: 3397 [2020-11-30 00:35:26,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:35:26,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2020-11-30 00:35:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3388. [2020-11-30 00:35:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2020-11-30 00:35:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4091 transitions. [2020-11-30 00:35:26,931 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4091 transitions. Word has length 237 [2020-11-30 00:35:26,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:26,932 INFO L481 AbstractCegarLoop]: Abstraction has 3388 states and 4091 transitions. [2020-11-30 00:35:26,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4091 transitions. [2020-11-30 00:35:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-30 00:35:26,943 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:26,944 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:27,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-30 00:35:27,172 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:27,173 INFO L82 PathProgramCache]: Analyzing trace with hash -704511693, now seen corresponding path program 1 times [2020-11-30 00:35:27,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:27,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106514071] [2020-11-30 00:35:27,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:35:27,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106514071] [2020-11-30 00:35:27,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:27,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:27,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135039516] [2020-11-30 00:35:27,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:27,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:27,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:27,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:27,436 INFO L87 Difference]: Start difference. First operand 3388 states and 4091 transitions. Second operand 3 states. [2020-11-30 00:35:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:28,923 INFO L93 Difference]: Finished difference Result 6788 states and 8205 transitions. [2020-11-30 00:35:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:28,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-11-30 00:35:28,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:28,946 INFO L225 Difference]: With dead ends: 6788 [2020-11-30 00:35:28,946 INFO L226 Difference]: Without dead ends: 3402 [2020-11-30 00:35:28,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2020-11-30 00:35:29,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3020. [2020-11-30 00:35:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-11-30 00:35:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3567 transitions. [2020-11-30 00:35:29,035 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3567 transitions. Word has length 308 [2020-11-30 00:35:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:29,036 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3567 transitions. [2020-11-30 00:35:29,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3567 transitions. [2020-11-30 00:35:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-11-30 00:35:29,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:29,047 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:29,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:35:29,047 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:29,048 INFO L82 PathProgramCache]: Analyzing trace with hash 428658931, now seen corresponding path program 1 times [2020-11-30 00:35:29,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:29,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64461047] [2020-11-30 00:35:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:29,336 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-30 00:35:29,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64461047] [2020-11-30 00:35:29,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:29,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:29,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339822294] [2020-11-30 00:35:29,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:29,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:29,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:29,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:29,339 INFO L87 Difference]: Start difference. First operand 3020 states and 3567 transitions. Second operand 3 states. [2020-11-30 00:35:30,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:30,647 INFO L93 Difference]: Finished difference Result 6015 states and 7099 transitions. [2020-11-30 00:35:30,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:30,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2020-11-30 00:35:30,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:30,667 INFO L225 Difference]: With dead ends: 6015 [2020-11-30 00:35:30,667 INFO L226 Difference]: Without dead ends: 2997 [2020-11-30 00:35:30,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:30,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2020-11-30 00:35:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2995. [2020-11-30 00:35:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2020-11-30 00:35:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 3392 transitions. [2020-11-30 00:35:30,741 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 3392 transitions. Word has length 309 [2020-11-30 00:35:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:30,742 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 3392 transitions. [2020-11-30 00:35:30,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3392 transitions. [2020-11-30 00:35:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-11-30 00:35:30,751 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:30,752 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:30,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:35:30,752 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:30,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:30,753 INFO L82 PathProgramCache]: Analyzing trace with hash 352600792, now seen corresponding path program 1 times [2020-11-30 00:35:30,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:30,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689056040] [2020-11-30 00:35:30,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:31,077 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-30 00:35:31,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689056040] [2020-11-30 00:35:31,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:31,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:31,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761894095] [2020-11-30 00:35:31,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:31,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:31,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:31,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:31,081 INFO L87 Difference]: Start difference. First operand 2995 states and 3392 transitions. Second operand 3 states. [2020-11-30 00:35:32,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:32,261 INFO L93 Difference]: Finished difference Result 6907 states and 7810 transitions. [2020-11-30 00:35:32,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:32,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-11-30 00:35:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:32,282 INFO L225 Difference]: With dead ends: 6907 [2020-11-30 00:35:32,282 INFO L226 Difference]: Without dead ends: 3914 [2020-11-30 00:35:32,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2020-11-30 00:35:32,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 2069. [2020-11-30 00:35:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-11-30 00:35:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2374 transitions. [2020-11-30 00:35:32,366 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2374 transitions. Word has length 314 [2020-11-30 00:35:32,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:32,366 INFO L481 AbstractCegarLoop]: Abstraction has 2069 states and 2374 transitions. [2020-11-30 00:35:32,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2374 transitions. [2020-11-30 00:35:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-11-30 00:35:32,375 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:32,376 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:32,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:35:32,376 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:32,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1007598479, now seen corresponding path program 1 times [2020-11-30 00:35:32,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:32,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935357823] [2020-11-30 00:35:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:32,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935357823] [2020-11-30 00:35:32,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:32,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:32,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751338053] [2020-11-30 00:35:32,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:35:32,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:32,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:35:32,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:32,828 INFO L87 Difference]: Start difference. First operand 2069 states and 2374 transitions. Second operand 4 states. [2020-11-30 00:35:35,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:35,065 INFO L93 Difference]: Finished difference Result 6353 states and 7292 transitions. [2020-11-30 00:35:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:35:35,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 354 [2020-11-30 00:35:35,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:35,087 INFO L225 Difference]: With dead ends: 6353 [2020-11-30 00:35:35,087 INFO L226 Difference]: Without dead ends: 4286 [2020-11-30 00:35:35,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:35,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2020-11-30 00:35:35,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3732. [2020-11-30 00:35:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-11-30 00:35:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-11-30 00:35:35,177 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 354 [2020-11-30 00:35:35,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:35,178 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-11-30 00:35:35,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:35:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-11-30 00:35:35,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2020-11-30 00:35:35,195 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:35,195 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:35,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:35:35,196 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:35,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:35,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1414927429, now seen corresponding path program 1 times [2020-11-30 00:35:35,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:35,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046527184] [2020-11-30 00:35:35,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 00:35:35,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046527184] [2020-11-30 00:35:35,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:35,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:35:35,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466718978] [2020-11-30 00:35:35,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:35:35,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:35,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:35:35,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:35,777 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-11-30 00:35:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:37,840 INFO L93 Difference]: Finished difference Result 8752 states and 9872 transitions. [2020-11-30 00:35:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:35:37,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 428 [2020-11-30 00:35:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:37,869 INFO L225 Difference]: With dead ends: 8752 [2020-11-30 00:35:37,869 INFO L226 Difference]: Without dead ends: 5022 [2020-11-30 00:35:37,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:37,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2020-11-30 00:35:37,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 3732. [2020-11-30 00:35:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3732 states. [2020-11-30 00:35:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3732 states to 3732 states and 4219 transitions. [2020-11-30 00:35:37,967 INFO L78 Accepts]: Start accepts. Automaton has 3732 states and 4219 transitions. Word has length 428 [2020-11-30 00:35:37,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:37,968 INFO L481 AbstractCegarLoop]: Abstraction has 3732 states and 4219 transitions. [2020-11-30 00:35:37,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:35:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3732 states and 4219 transitions. [2020-11-30 00:35:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2020-11-30 00:35:38,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:38,000 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:38,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:35:38,001 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:38,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:38,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1953997865, now seen corresponding path program 1 times [2020-11-30 00:35:38,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:38,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98617981] [2020-11-30 00:35:38,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 866 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2020-11-30 00:35:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98617981] [2020-11-30 00:35:38,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:38,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:38,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683977218] [2020-11-30 00:35:38,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:35:38,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:38,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:35:38,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:38,866 INFO L87 Difference]: Start difference. First operand 3732 states and 4219 transitions. Second operand 4 states. [2020-11-30 00:35:41,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:41,187 INFO L93 Difference]: Finished difference Result 11899 states and 13474 transitions. [2020-11-30 00:35:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:35:41,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 679 [2020-11-30 00:35:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:41,214 INFO L225 Difference]: With dead ends: 11899 [2020-11-30 00:35:41,214 INFO L226 Difference]: Without dead ends: 8169 [2020-11-30 00:35:41,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:35:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8169 states. [2020-11-30 00:35:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8169 to 7799. [2020-11-30 00:35:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2020-11-30 00:35:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 8729 transitions. [2020-11-30 00:35:41,382 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 8729 transitions. Word has length 679 [2020-11-30 00:35:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:41,383 INFO L481 AbstractCegarLoop]: Abstraction has 7799 states and 8729 transitions. [2020-11-30 00:35:41,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:35:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 8729 transitions. [2020-11-30 00:35:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2020-11-30 00:35:41,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:41,409 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 00:35:41,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:35:41,410 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:41,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:41,410 INFO L82 PathProgramCache]: Analyzing trace with hash -922704175, now seen corresponding path program 1 times [2020-11-30 00:35:41,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:41,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446816976] [2020-11-30 00:35:41,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1685 backedges. 994 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2020-11-30 00:35:42,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446816976] [2020-11-30 00:35:42,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:42,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:42,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334745950] [2020-11-30 00:35:42,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:42,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:42,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:42,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:42,111 INFO L87 Difference]: Start difference. First operand 7799 states and 8729 transitions. Second operand 3 states. [2020-11-30 00:35:43,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:43,539 INFO L93 Difference]: Finished difference Result 17436 states and 19554 transitions. [2020-11-30 00:35:43,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:43,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 747 [2020-11-30 00:35:43,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:43,559 INFO L225 Difference]: With dead ends: 17436 [2020-11-30 00:35:43,559 INFO L226 Difference]: Without dead ends: 8717 [2020-11-30 00:35:43,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:43,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2020-11-30 00:35:43,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 8717. [2020-11-30 00:35:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8717 states. [2020-11-30 00:35:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8717 states to 8717 states and 9593 transitions. [2020-11-30 00:35:43,727 INFO L78 Accepts]: Start accepts. Automaton has 8717 states and 9593 transitions. Word has length 747 [2020-11-30 00:35:43,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:43,728 INFO L481 AbstractCegarLoop]: Abstraction has 8717 states and 9593 transitions. [2020-11-30 00:35:43,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 8717 states and 9593 transitions. [2020-11-30 00:35:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2020-11-30 00:35:43,750 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:35:43,751 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:43,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:35:43,752 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:35:43,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:43,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1267545804, now seen corresponding path program 1 times [2020-11-30 00:35:43,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:43,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450604166] [2020-11-30 00:35:43,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1489 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2020-11-30 00:35:44,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450604166] [2020-11-30 00:35:44,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:44,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:44,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166812780] [2020-11-30 00:35:44,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:35:44,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:44,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:44,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:44,806 INFO L87 Difference]: Start difference. First operand 8717 states and 9593 transitions. Second operand 3 states. [2020-11-30 00:35:46,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:46,107 INFO L93 Difference]: Finished difference Result 18165 states and 19959 transitions. [2020-11-30 00:35:46,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:35:46,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 847 [2020-11-30 00:35:46,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:35:46,110 INFO L225 Difference]: With dead ends: 18165 [2020-11-30 00:35:46,110 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:35:46,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:46,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:35:46,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:35:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:35:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:35:46,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 847 [2020-11-30 00:35:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:35:46,128 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:46,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:35:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:35:46,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:35:46,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:35:46,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:35:46,351 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-11-30 00:35:46,507 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 118 [2020-11-30 00:35:47,332 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-11-30 00:35:47,950 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 48 [2020-11-30 00:35:47,954 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:35:47,954 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,954 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:35:47,954 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,955 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,956 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,956 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,956 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,959 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-30 00:35:47,959 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-30 00:35:47,959 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-30 00:35:47,960 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,960 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:35:47,960 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:35:47,960 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,960 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,960 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,961 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,962 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,962 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-11-30 00:35:47,962 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,962 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:35:47,963 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:35:47,963 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,963 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,963 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,963 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,963 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,964 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,964 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 00:35:47,964 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-30 00:35:47,964 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 00:35:47,964 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-30 00:35:47,964 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,965 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-30 00:35:47,966 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-30 00:35:47,966 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-30 00:35:47,966 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,966 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,966 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,966 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,967 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,967 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,967 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,967 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,967 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,967 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 00:35:47,968 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-30 00:35:47,968 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-30 00:35:47,968 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,968 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 138)) (.cse7 (<= (+ ~a29~0 22) 0)) (.cse4 (<= ~a25~0 10)) (.cse1 (= ~a4~0 0)) (.cse2 (<= ~a29~0 599998)) (.cse6 (+ ~a23~0 43)) (.cse8 (<= ~a29~0 599999)) (.cse0 (= ~a25~0 11)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= ~a23~0 312) .cse2) (and .cse3 .cse4 .cse5 (< 0 .cse6)) (and (<= 307 ~a23~0) .cse2 .cse5) (and .cse4 .cse3 .cse1 .cse2) (and .cse2 (<= 13 ~a25~0) .cse5) (and .cse3 .cse1 .cse7) (and .cse4 .cse1 .cse7) (and (<= ~a29~0 130) .cse5) (and .cse1 (= ~a25~0 12) .cse2) (and .cse8 .cse4 .cse5) (and .cse1 .cse2 (<= .cse6 0)) (and .cse8 .cse0 .cse5))) [2020-11-30 00:35:47,968 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,969 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,969 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,969 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,969 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,969 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,969 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,970 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,970 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 00:35:47,970 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-30 00:35:47,970 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:35:47,970 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:35:47,970 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,971 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,972 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,972 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,972 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,972 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,972 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,973 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:35:47,974 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-30 00:35:47,975 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-30 00:35:47,976 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,977 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,978 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,979 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-30 00:35:47,980 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,981 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:35:47,982 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,983 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-30 00:35:47,984 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:35:47,985 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:35:47,985 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:35:47,985 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:35:47,985 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,985 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,985 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,986 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,986 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,986 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,986 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,986 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 00:35:47,986 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,987 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,988 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 00:35:47,988 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-30 00:35:47,988 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,988 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,988 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,988 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,989 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,989 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,989 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,989 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-30 00:35:47,989 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:35:47,989 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,990 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-30 00:35:47,990 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 00:35:47,990 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-30 00:35:47,990 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 00:35:47,990 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-30 00:35:48,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:35:48 BoogieIcfgContainer [2020-11-30 00:35:48,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:35:48,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:48,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:48,021 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:48,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:13" (3/4) ... [2020-11-30 00:35:48,026 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:35:48,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:35:48,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:35:48,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:35:48,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:35:48,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f55751cf-6cb1-488f-8229-c1fee57a442e/bin/uautomizer/witness.graphml [2020-11-30 00:35:48,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:48,295 INFO L168 Benchmark]: Toolchain (without parser) took 38742.86 ms. Allocated memory was 90.2 MB in the beginning and 941.6 MB in the end (delta: 851.4 MB). Free memory was 54.2 MB in the beginning and 764.1 MB in the end (delta: -709.9 MB). Peak memory consumption was 141.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,295 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 62.9 MB in the beginning and 62.9 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:48,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1066.81 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 54.2 MB in the beginning and 89.9 MB in the end (delta: -35.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.68 ms. Allocated memory is still 119.5 MB. Free memory was 89.9 MB in the beginning and 72.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,297 INFO L168 Benchmark]: Boogie Preprocessor took 157.20 ms. Allocated memory is still 119.5 MB. Free memory was 72.5 MB in the beginning and 62.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,298 INFO L168 Benchmark]: RCFGBuilder took 2580.22 ms. Allocated memory was 119.5 MB in the beginning and 176.2 MB in the end (delta: 56.6 MB). Free memory was 62.0 MB in the beginning and 93.1 MB in the end (delta: -31.1 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,298 INFO L168 Benchmark]: TraceAbstraction took 34470.50 ms. Allocated memory was 176.2 MB in the beginning and 941.6 MB in the end (delta: 765.5 MB). Free memory was 92.0 MB in the beginning and 790.0 MB in the end (delta: -698.0 MB). Peak memory consumption was 515.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,299 INFO L168 Benchmark]: Witness Printer took 272.18 ms. Allocated memory is still 941.6 MB. Free memory was 790.0 MB in the beginning and 764.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:48,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 62.9 MB in the beginning and 62.9 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1066.81 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 54.2 MB in the beginning and 89.9 MB in the end (delta: -35.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 186.68 ms. Allocated memory is still 119.5 MB. Free memory was 89.9 MB in the beginning and 72.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.20 ms. Allocated memory is still 119.5 MB. Free memory was 72.5 MB in the beginning and 62.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2580.22 ms. Allocated memory was 119.5 MB in the beginning and 176.2 MB in the end (delta: 56.6 MB). Free memory was 62.0 MB in the beginning and 93.1 MB in the end (delta: -31.1 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34470.50 ms. Allocated memory was 176.2 MB in the beginning and 941.6 MB in the end (delta: 765.5 MB). Free memory was 92.0 MB in the beginning and 790.0 MB in the end (delta: -698.0 MB). Peak memory consumption was 515.2 MB. Max. memory is 16.1 GB. * Witness Printer took 272.18 ms. Allocated memory is still 941.6 MB. Free memory was 790.0 MB in the beginning and 764.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((a25 == 11 && a4 == 0) && a23 <= 312) && a29 <= 599998) || (((a23 <= 138 && a25 <= 10) && a4 == 1) && 0 < a23 + 43)) || ((307 <= a23 && a29 <= 599998) && a4 == 1)) || (((a25 <= 10 && a23 <= 138) && a4 == 0) && a29 <= 599998)) || ((a29 <= 599998 && 13 <= a25) && a4 == 1)) || ((a23 <= 138 && a4 == 0) && a29 + 22 <= 0)) || ((a25 <= 10 && a4 == 0) && a29 + 22 <= 0)) || (a29 <= 130 && a4 == 1)) || ((a4 == 0 && a25 == 12) && a29 <= 599998)) || ((a29 <= 599999 && a25 <= 10) && a4 == 1)) || ((a4 == 0 && a29 <= 599998) && a23 + 43 <= 0)) || ((a29 <= 599999 && a25 == 11) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.4s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 23.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2803 SDtfs, 2367 SDslu, 373 SDs, 0 SdLazy, 9184 SolverSat, 1707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8717occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 4661 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 117 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4492 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3330 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 5152 NumberOfCodeBlocks, 5152 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5137 ConstructedInterpolants, 0 QuantifiedInterpolants, 4842215 SizeOfPredicates, 1 NumberOfNonLiveVariables, 362 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 7429/7431 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...