./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label09.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_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/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 7b7b3008966aab2f6e68e04cbadc5c02c50b9074 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:01:21,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:01:21,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:01:21,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:01:21,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:01:21,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:01:21,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:01:21,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:01:21,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:01:21,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:01:21,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:01:21,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:01:21,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:01:21,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:01:21,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:01:21,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:01:21,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:01:21,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:01:21,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:01:21,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:01:21,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:01:21,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:01:21,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:01:21,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:01:21,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:01:21,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:01:21,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:01:21,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:01:21,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:01:21,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:01:21,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:01:21,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:01:21,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:01:21,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:01:21,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:01:21,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:01:21,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:01:21,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:01:21,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:01:21,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:01:21,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:01:21,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:01:21,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:01:21,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:01:21,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:01:21,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:01:21,371 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:01:21,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:01:21,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:01:21,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:01:21,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:01:21,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:01:21,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:01:21,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:01:21,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:01:21,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:01:21,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:01:21,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:01:21,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:01:21,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:01:21,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:01:21,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:01:21,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:01:21,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:01:21,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:01:21,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:01:21,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:01:21,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:01:21,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:01:21,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:01:21,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:01:21,377 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_f09913e8-9868-4a37-b318-db9dcc4fc16c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b7b3008966aab2f6e68e04cbadc5c02c50b9074 [2020-11-30 00:01:21,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:01:21,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:01:21,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:01:21,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:01:21,688 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:01:21,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label09.c [2020-11-30 00:01:21,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/data/66b2b155f/83111f1a229548718f0b0aeeb1ec6f52/FLAG47683ed89 [2020-11-30 00:01:22,278 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:01:22,279 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/sv-benchmarks/c/eca-rers2012/Problem02_label09.c [2020-11-30 00:01:22,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/data/66b2b155f/83111f1a229548718f0b0aeeb1ec6f52/FLAG47683ed89 [2020-11-30 00:01:22,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/data/66b2b155f/83111f1a229548718f0b0aeeb1ec6f52 [2020-11-30 00:01:22,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:01:22,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:01:22,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:01:22,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:01:22,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:01:22,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:01:22" (1/1) ... [2020-11-30 00:01:22,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd70df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:22, skipping insertion in model container [2020-11-30 00:01:22,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:01:22" (1/1) ... [2020-11-30 00:01:22,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:01:22,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:01:23,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:23,156 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:01:23,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:01:23,296 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:01:23,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23 WrapperNode [2020-11-30 00:01:23,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:01:23,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:01:23,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:01:23,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:01:23,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:01:23,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:01:23,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:01:23,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:01:23,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... [2020-11-30 00:01:23,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:01:23,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:01:23,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:01:23,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:01:23,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/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 00:01:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:01:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:01:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:01:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:01:25,226 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:01:25,227 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:01:25,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:25 BoogieIcfgContainer [2020-11-30 00:01:25,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:01:25,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:01:25,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:01:25,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:01:25,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:01:22" (1/3) ... [2020-11-30 00:01:25,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799456b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:01:25, skipping insertion in model container [2020-11-30 00:01:25,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:01:23" (2/3) ... [2020-11-30 00:01:25,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799456b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:01:25, skipping insertion in model container [2020-11-30 00:01:25,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:25" (3/3) ... [2020-11-30 00:01:25,244 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label09.c [2020-11-30 00:01:25,256 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:01:25,261 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:01:25,273 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:01:25,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:01:25,320 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:01:25,320 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:01:25,320 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:01:25,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:01:25,320 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:01:25,321 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:01:25,321 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:01:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-30 00:01:25,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 00:01:25,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:25,366 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:25,366 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:25,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:25,373 INFO L82 PathProgramCache]: Analyzing trace with hash -701342005, now seen corresponding path program 1 times [2020-11-30 00:01:25,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:25,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27144292] [2020-11-30 00:01:25,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:25,846 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 00:01:25,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27144292] [2020-11-30 00:01:25,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:25,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:01:25,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81942003] [2020-11-30 00:01:25,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:25,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:25,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:25,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:25,869 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-30 00:01:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:26,947 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-30 00:01:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:26,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-30 00:01:26,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:26,971 INFO L225 Difference]: With dead ends: 597 [2020-11-30 00:01:26,976 INFO L226 Difference]: Without dead ends: 305 [2020-11-30 00:01:26,983 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 00:01:27,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-30 00:01:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-30 00:01:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-30 00:01:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-30 00:01:27,065 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 121 [2020-11-30 00:01:27,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:27,066 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-30 00:01:27,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-30 00:01:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:01:27,070 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:27,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:27,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:01:27,071 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:27,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:27,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1539027763, now seen corresponding path program 1 times [2020-11-30 00:01:27,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:27,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662428096] [2020-11-30 00:01:27,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:27,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662428096] [2020-11-30 00:01:27,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:27,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:01:27,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461611105] [2020-11-30 00:01:27,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:27,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:27,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:27,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:27,190 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-30 00:01:27,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:27,551 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-30 00:01:27,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:27,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-11-30 00:01:27,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:27,554 INFO L225 Difference]: With dead ends: 599 [2020-11-30 00:01:27,555 INFO L226 Difference]: Without dead ends: 296 [2020-11-30 00:01:27,556 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 00:01:27,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-30 00:01:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-30 00:01:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-30 00:01:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-30 00:01:27,579 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 132 [2020-11-30 00:01:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:27,579 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-30 00:01:27,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-30 00:01:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-30 00:01:27,582 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:27,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:27,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:01:27,582 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:27,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:27,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2036762200, now seen corresponding path program 1 times [2020-11-30 00:01:27,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:27,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982937473] [2020-11-30 00:01:27,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:27,697 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:27,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982937473] [2020-11-30 00:01:27,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:27,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:01:27,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106031154] [2020-11-30 00:01:27,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:27,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:27,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:27,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:27,707 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-30 00:01:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:28,371 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-11-30 00:01:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:28,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-30 00:01:28,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:28,376 INFO L225 Difference]: With dead ends: 872 [2020-11-30 00:01:28,376 INFO L226 Difference]: Without dead ends: 578 [2020-11-30 00:01:28,377 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 00:01:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-11-30 00:01:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2020-11-30 00:01:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-11-30 00:01:28,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 724 transitions. [2020-11-30 00:01:28,410 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 724 transitions. Word has length 139 [2020-11-30 00:01:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:28,411 INFO L481 AbstractCegarLoop]: Abstraction has 578 states and 724 transitions. [2020-11-30 00:01:28,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 724 transitions. [2020-11-30 00:01:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-30 00:01:28,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:28,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:28,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:01:28,415 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:28,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1268514894, now seen corresponding path program 1 times [2020-11-30 00:01:28,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:28,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926468409] [2020-11-30 00:01:28,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:28,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926468409] [2020-11-30 00:01:28,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:28,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:01:28,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733728446] [2020-11-30 00:01:28,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:28,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:28,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:28,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:28,499 INFO L87 Difference]: Start difference. First operand 578 states and 724 transitions. Second operand 3 states. [2020-11-30 00:01:29,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:29,079 INFO L93 Difference]: Finished difference Result 1577 states and 2000 transitions. [2020-11-30 00:01:29,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:29,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-11-30 00:01:29,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:29,086 INFO L225 Difference]: With dead ends: 1577 [2020-11-30 00:01:29,086 INFO L226 Difference]: Without dead ends: 1001 [2020-11-30 00:01:29,087 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 00:01:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-11-30 00:01:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 721. [2020-11-30 00:01:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-11-30 00:01:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 896 transitions. [2020-11-30 00:01:29,109 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 896 transitions. Word has length 143 [2020-11-30 00:01:29,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:29,110 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 896 transitions. [2020-11-30 00:01:29,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 896 transitions. [2020-11-30 00:01:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-30 00:01:29,114 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:29,115 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:29,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:01:29,115 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:29,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:29,115 INFO L82 PathProgramCache]: Analyzing trace with hash -596518917, now seen corresponding path program 1 times [2020-11-30 00:01:29,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:29,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254471302] [2020-11-30 00:01:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:29,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254471302] [2020-11-30 00:01:29,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:29,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:01:29,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202107711] [2020-11-30 00:01:29,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:29,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:29,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:29,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:29,220 INFO L87 Difference]: Start difference. First operand 721 states and 896 transitions. Second operand 3 states. [2020-11-30 00:01:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:29,879 INFO L93 Difference]: Finished difference Result 1580 states and 1965 transitions. [2020-11-30 00:01:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:29,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-11-30 00:01:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:29,884 INFO L225 Difference]: With dead ends: 1580 [2020-11-30 00:01:29,885 INFO L226 Difference]: Without dead ends: 861 [2020-11-30 00:01:29,886 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 00:01:29,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-30 00:01:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-30 00:01:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-30 00:01:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1041 transitions. [2020-11-30 00:01:29,911 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1041 transitions. Word has length 144 [2020-11-30 00:01:29,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:29,912 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1041 transitions. [2020-11-30 00:01:29,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1041 transitions. [2020-11-30 00:01:29,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 00:01:29,915 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:29,916 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:29,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:01:29,916 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:29,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:29,917 INFO L82 PathProgramCache]: Analyzing trace with hash 706345157, now seen corresponding path program 1 times [2020-11-30 00:01:29,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:29,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945509118] [2020-11-30 00:01:29,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:30,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945509118] [2020-11-30 00:01:30,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083485128] [2020-11-30 00:01:30,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/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 00:01:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:30,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:01:30,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:01:30,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:01:30,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:01:30,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610988541] [2020-11-30 00:01:30,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:30,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:30,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:30,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:01:30,756 INFO L87 Difference]: Start difference. First operand 861 states and 1041 transitions. Second operand 3 states. [2020-11-30 00:01:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:31,569 INFO L93 Difference]: Finished difference Result 2425 states and 2929 transitions. [2020-11-30 00:01:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:31,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-30 00:01:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:31,579 INFO L225 Difference]: With dead ends: 2425 [2020-11-30 00:01:31,579 INFO L226 Difference]: Without dead ends: 1566 [2020-11-30 00:01:31,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:01:31,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2020-11-30 00:01:31,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1422. [2020-11-30 00:01:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2020-11-30 00:01:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1677 transitions. [2020-11-30 00:01:31,629 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1677 transitions. Word has length 148 [2020-11-30 00:01:31,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:31,630 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1677 transitions. [2020-11-30 00:01:31,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1677 transitions. [2020-11-30 00:01:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-30 00:01:31,635 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:31,636 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:31,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-30 00:01:31,869 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:31,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:31,870 INFO L82 PathProgramCache]: Analyzing trace with hash -28603594, now seen corresponding path program 1 times [2020-11-30 00:01:31,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:31,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309091837] [2020-11-30 00:01:31,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:01:31,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309091837] [2020-11-30 00:01:31,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:31,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:01:31,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262691576] [2020-11-30 00:01:31,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:31,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:31,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:31,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:31,953 INFO L87 Difference]: Start difference. First operand 1422 states and 1677 transitions. Second operand 3 states. [2020-11-30 00:01:32,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:32,650 INFO L93 Difference]: Finished difference Result 3263 states and 3903 transitions. [2020-11-30 00:01:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:32,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-11-30 00:01:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:32,662 INFO L225 Difference]: With dead ends: 3263 [2020-11-30 00:01:32,662 INFO L226 Difference]: Without dead ends: 1700 [2020-11-30 00:01:32,665 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 00:01:32,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-11-30 00:01:32,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2020-11-30 00:01:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-30 00:01:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1872 transitions. [2020-11-30 00:01:32,714 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1872 transitions. Word has length 174 [2020-11-30 00:01:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:32,715 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 1872 transitions. [2020-11-30 00:01:32,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1872 transitions. [2020-11-30 00:01:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 00:01:32,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:32,721 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:01:32,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:01:32,722 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:32,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:32,722 INFO L82 PathProgramCache]: Analyzing trace with hash -863017151, now seen corresponding path program 1 times [2020-11-30 00:01:32,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:32,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644375481] [2020-11-30 00:01:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-30 00:01:32,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644375481] [2020-11-30 00:01:32,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200134411] [2020-11-30 00:01:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:01:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:33,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:01:33,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-30 00:01:33,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:01:33,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:01:33,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574959969] [2020-11-30 00:01:33,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:33,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:33,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:33,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:01:33,155 INFO L87 Difference]: Start difference. First operand 1700 states and 1872 transitions. Second operand 3 states. [2020-11-30 00:01:33,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:33,802 INFO L93 Difference]: Finished difference Result 3678 states and 4097 transitions. [2020-11-30 00:01:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:33,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-30 00:01:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:33,814 INFO L225 Difference]: With dead ends: 3678 [2020-11-30 00:01:33,814 INFO L226 Difference]: Without dead ends: 2120 [2020-11-30 00:01:33,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:01:33,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-11-30 00:01:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2118. [2020-11-30 00:01:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2118 states. [2020-11-30 00:01:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2334 transitions. [2020-11-30 00:01:33,871 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2334 transitions. Word has length 197 [2020-11-30 00:01:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:33,871 INFO L481 AbstractCegarLoop]: Abstraction has 2118 states and 2334 transitions. [2020-11-30 00:01:33,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2334 transitions. [2020-11-30 00:01:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-30 00:01:33,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:33,879 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:34,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:01:34,105 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:34,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:34,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1844601521, now seen corresponding path program 1 times [2020-11-30 00:01:34,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:34,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730123047] [2020-11-30 00:01:34,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:01:34,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730123047] [2020-11-30 00:01:34,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:01:34,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:01:34,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024437092] [2020-11-30 00:01:34,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:34,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:34,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:34,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:01:34,235 INFO L87 Difference]: Start difference. First operand 2118 states and 2334 transitions. Second operand 3 states. [2020-11-30 00:01:34,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:34,829 INFO L93 Difference]: Finished difference Result 4512 states and 4942 transitions. [2020-11-30 00:01:34,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:34,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2020-11-30 00:01:34,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:34,843 INFO L225 Difference]: With dead ends: 4512 [2020-11-30 00:01:34,843 INFO L226 Difference]: Without dead ends: 2536 [2020-11-30 00:01:34,846 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 00:01:34,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2020-11-30 00:01:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 1836. [2020-11-30 00:01:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2020-11-30 00:01:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2004 transitions. [2020-11-30 00:01:34,893 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2004 transitions. Word has length 219 [2020-11-30 00:01:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:34,893 INFO L481 AbstractCegarLoop]: Abstraction has 1836 states and 2004 transitions. [2020-11-30 00:01:34,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2004 transitions. [2020-11-30 00:01:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-30 00:01:34,899 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:01:34,900 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:01:34,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:01:34,900 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:01:34,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:01:34,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1844462724, now seen corresponding path program 1 times [2020-11-30 00:01:34,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:01:34,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283392844] [2020-11-30 00:01:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:01:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:01:35,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283392844] [2020-11-30 00:01:35,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295270204] [2020-11-30 00:01:35,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:01:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:01:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:01:35,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:01:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:01:35,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:01:35,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:01:35,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042001869] [2020-11-30 00:01:35,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:01:35,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:01:35,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:01:35,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:01:35,442 INFO L87 Difference]: Start difference. First operand 1836 states and 2004 transitions. Second operand 3 states. [2020-11-30 00:01:36,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:01:36,043 INFO L93 Difference]: Finished difference Result 3529 states and 3862 transitions. [2020-11-30 00:01:36,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:01:36,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2020-11-30 00:01:36,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:01:36,044 INFO L225 Difference]: With dead ends: 3529 [2020-11-30 00:01:36,044 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:01:36,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:01:36,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:01:36,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:01:36,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:01:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:01:36,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2020-11-30 00:01:36,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:01:36,050 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:01:36,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:01:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:01:36,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:01:36,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 00:01:36,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:01:36,423 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-11-30 00:01:36,537 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-11-30 00:01:36,539 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,539 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,539 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,540 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-30 00:01:36,541 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-30 00:01:36,542 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-30 00:01:36,543 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,544 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,545 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:01:36,546 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-30 00:01:36,547 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-30 00:01:36,548 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-30 00:01:36,549 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-30 00:01:36,550 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-30 00:01:36,551 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-30 00:01:36,552 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-30 00:01:36,552 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-30 00:01:36,552 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-30 00:01:36,552 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:01:36,552 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (<= 8 ~a17~0) .cse1 .cse2) (and .cse3 .cse2 (<= ~a25~0 0) .cse4) (and (<= 9 ~a28~0) .cse2 .cse4))) [2020-11-30 00:01:36,552 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 00:01:36,553 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-30 00:01:36,554 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (<= 8 ~a17~0) .cse1 .cse2) (and .cse3 .cse2 (<= ~a25~0 0) .cse4) (and (<= 9 ~a28~0) .cse2 .cse4))) [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-30 00:01:36,555 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-30 00:01:36,556 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-30 00:01:36,557 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-30 00:01:36,558 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-30 00:01:36,559 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-30 00:01:36,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:01:36 BoogieIcfgContainer [2020-11-30 00:01:36,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:01:36,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:01:36,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:01:36,578 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:01:36,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:01:25" (3/4) ... [2020-11-30 00:01:36,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:01:36,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:01:36,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:01:36,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:01:36,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:01:36,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f09913e8-9868-4a37-b318-db9dcc4fc16c/bin/uautomizer/witness.graphml [2020-11-30 00:01:36,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:01:36,761 INFO L168 Benchmark]: Toolchain (without parser) took 14167.90 ms. Allocated memory was 96.5 MB in the beginning and 335.5 MB in the end (delta: 239.1 MB). Free memory was 63.5 MB in the beginning and 187.6 MB in the end (delta: -124.1 MB). Peak memory consumption was 113.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,761 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory was 50.8 MB in the beginning and 50.8 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:01:36,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.86 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 58.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.23 ms. Allocated memory is still 96.5 MB. Free memory was 58.5 MB in the beginning and 53.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,762 INFO L168 Benchmark]: Boogie Preprocessor took 108.51 ms. Allocated memory is still 96.5 MB. Free memory was 52.7 MB in the beginning and 48.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,763 INFO L168 Benchmark]: RCFGBuilder took 1726.99 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 48.5 MB in the beginning and 84.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,763 INFO L168 Benchmark]: TraceAbstraction took 11343.37 ms. Allocated memory was 132.1 MB in the beginning and 335.5 MB in the end (delta: 203.4 MB). Free memory was 84.1 MB in the beginning and 202.3 MB in the end (delta: -118.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,763 INFO L168 Benchmark]: Witness Printer took 181.73 ms. Allocated memory is still 335.5 MB. Free memory was 202.3 MB in the beginning and 187.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:01:36,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 79.7 MB. Free memory was 50.8 MB in the beginning and 50.8 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 702.86 ms. Allocated memory is still 96.5 MB. Free memory was 63.3 MB in the beginning and 58.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.23 ms. Allocated memory is still 96.5 MB. Free memory was 58.5 MB in the beginning and 53.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.51 ms. Allocated memory is still 96.5 MB. Free memory was 52.7 MB in the beginning and 48.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1726.99 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 48.5 MB in the beginning and 84.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11343.37 ms. Allocated memory was 132.1 MB in the beginning and 335.5 MB in the end (delta: 203.4 MB). Free memory was 84.1 MB in the beginning and 202.3 MB in the end (delta: -118.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. * Witness Printer took 181.73 ms. Allocated memory is still 335.5 MB. Free memory was 202.3 MB in the beginning and 187.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 == 1 && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 == 1 && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 773 SDtfs, 1233 SDslu, 96 SDs, 0 SdLazy, 3284 SolverSat, 575 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2118occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 113 HoareAnnotationTreeSize, 3 FomulaSimplifications, 786 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 134 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2200 NumberOfCodeBlocks, 2200 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2187 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336513 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 875/957 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...