./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/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 8bc7ea9594894bce31579a47be3b0c06f18caebb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:34:04,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:34:04,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:34:04,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:34:04,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:34:04,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:34:04,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:34:04,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:34:04,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:34:04,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:34:04,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:34:04,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:34:04,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:34:04,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:34:04,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:34:04,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:34:04,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:34:04,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:34:04,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:34:04,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:34:04,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:34:04,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:34:04,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:34:04,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:34:04,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:34:04,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:34:04,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:34:04,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:34:04,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:34:04,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:34:04,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:34:04,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:34:04,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:34:04,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:34:04,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:34:04,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:34:04,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:34:04,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:34:04,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:34:04,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:34:04,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:34:04,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:34:04,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:34:04,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:34:04,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:34:04,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:34:04,439 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:34:04,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:34:04,440 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:34:04,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:34:04,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:34:04,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:34:04,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:34:04,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:34:04,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:34:04,442 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:34:04,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:34:04,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:34:04,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:34:04,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:34:04,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:34:04,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:34:04,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:34:04,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:34:04,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:34:04,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:34:04,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:34:04,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:34:04,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:34:04,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:34:04,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:34:04,446 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_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bc7ea9594894bce31579a47be3b0c06f18caebb [2020-12-01 15:34:04,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:34:04,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:34:04,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:34:04,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:34:04,819 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:34:04,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c [2020-12-01 15:34:04,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/data/336732e02/1fea0367430240faba0c2a64f3ab7d9d/FLAGe67c1983a [2020-12-01 15:34:05,613 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:34:05,614 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c [2020-12-01 15:34:05,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/data/336732e02/1fea0367430240faba0c2a64f3ab7d9d/FLAGe67c1983a [2020-12-01 15:34:05,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/data/336732e02/1fea0367430240faba0c2a64f3ab7d9d [2020-12-01 15:34:05,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:34:05,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:34:05,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:34:05,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:34:05,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:34:05,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:34:05" (1/1) ... [2020-12-01 15:34:05,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784af56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:05, skipping insertion in model container [2020-12-01 15:34:05,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:34:05" (1/1) ... [2020-12-01 15:34:06,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:34:06,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:34:06,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:34:06,368 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:34:06,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:34:06,486 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:34:06,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06 WrapperNode [2020-12-01 15:34:06,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:34:06,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:34:06,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:34:06,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:34:06,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:34:06,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:34:06,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:34:06,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:34:06,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... [2020-12-01 15:34:06,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:34:06,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:34:06,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:34:06,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:34:06,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/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 [2020-12-01 15:34:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:34:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:34:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:34:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:34:11,156 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:34:11,157 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 15:34:11,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:34:11 BoogieIcfgContainer [2020-12-01 15:34:11,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:34:11,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:34:11,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:34:11,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:34:11,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:34:05" (1/3) ... [2020-12-01 15:34:11,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0ced33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:34:11, skipping insertion in model container [2020-12-01 15:34:11,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:34:06" (2/3) ... [2020-12-01 15:34:11,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0ced33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:34:11, skipping insertion in model container [2020-12-01 15:34:11,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:34:11" (3/3) ... [2020-12-01 15:34:11,176 INFO L111 eAbstractionObserver]: Analyzing ICFG dijkstra-u_valuebound1.c [2020-12-01 15:34:11,192 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:34:11,198 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-12-01 15:34:11,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-01 15:34:11,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:34:11,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:34:11,247 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:34:11,248 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:34:11,248 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:34:11,248 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:34:11,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:34:11,249 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:34:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-12-01 15:34:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 15:34:11,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:11,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:11,283 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:11,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:11,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1235857098, now seen corresponding path program 1 times [2020-12-01 15:34:11,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:11,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026655471] [2020-12-01 15:34:11,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:11,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026655471] [2020-12-01 15:34:11,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:11,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:34:11,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043152311] [2020-12-01 15:34:11,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:34:11,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:11,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:34:11,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:34:11,527 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2020-12-01 15:34:11,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:11,583 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2020-12-01 15:34:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:34:11,585 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 15:34:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:11,599 INFO L225 Difference]: With dead ends: 97 [2020-12-01 15:34:11,599 INFO L226 Difference]: Without dead ends: 46 [2020-12-01 15:34:11,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:34:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-01 15:34:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-12-01 15:34:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-01 15:34:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2020-12-01 15:34:11,660 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 10 [2020-12-01 15:34:11,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:11,661 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2020-12-01 15:34:11,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:34:11,661 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-12-01 15:34:11,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:34:11,662 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:11,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:11,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:34:11,664 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:11,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1503620767, now seen corresponding path program 1 times [2020-12-01 15:34:11,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:11,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496258332] [2020-12-01 15:34:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:12,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496258332] [2020-12-01 15:34:12,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:12,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:34:12,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439314658] [2020-12-01 15:34:12,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:34:12,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:12,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:34:12,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:34:12,081 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 5 states. [2020-12-01 15:34:23,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:23,029 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2020-12-01 15:34:23,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:34:23,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-01 15:34:23,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:23,037 INFO L225 Difference]: With dead ends: 110 [2020-12-01 15:34:23,037 INFO L226 Difference]: Without dead ends: 68 [2020-12-01 15:34:23,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:34:23,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-01 15:34:23,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2020-12-01 15:34:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-01 15:34:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2020-12-01 15:34:23,059 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 11 [2020-12-01 15:34:23,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:23,060 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2020-12-01 15:34:23,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:34:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2020-12-01 15:34:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:34:23,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:23,062 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:23,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:34:23,085 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:23,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:23,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1828543716, now seen corresponding path program 1 times [2020-12-01 15:34:23,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:23,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082925290] [2020-12-01 15:34:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:23,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082925290] [2020-12-01 15:34:23,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229632295] [2020-12-01 15:34:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/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 [2020-12-01 15:34:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:23,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 15:34:23,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:34:23,941 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:34:23,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:34:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:23,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:34:23,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2020-12-01 15:34:23,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590134946] [2020-12-01 15:34:23,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-01 15:34:23,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:23,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-01 15:34:23,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-01 15:34:23,995 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 11 states. [2020-12-01 15:34:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:45,583 INFO L93 Difference]: Finished difference Result 149 states and 166 transitions. [2020-12-01 15:34:45,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-01 15:34:45,584 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2020-12-01 15:34:45,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:45,586 INFO L225 Difference]: With dead ends: 149 [2020-12-01 15:34:45,586 INFO L226 Difference]: Without dead ends: 105 [2020-12-01 15:34:45,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-12-01 15:34:45,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-12-01 15:34:45,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 79. [2020-12-01 15:34:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-01 15:34:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2020-12-01 15:34:45,609 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 13 [2020-12-01 15:34:45,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:45,609 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2020-12-01 15:34:45,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-01 15:34:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2020-12-01 15:34:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 15:34:45,611 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:45,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:45,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-01 15:34:45,837 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:45,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:45,838 INFO L82 PathProgramCache]: Analyzing trace with hash -2117870425, now seen corresponding path program 1 times [2020-12-01 15:34:45,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:45,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125208370] [2020-12-01 15:34:45,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:45,859 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:34:45,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283570928] [2020-12-01 15:34:45,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/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 [2020-12-01 15:34:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:45,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 15:34:45,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:34:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:46,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125208370] [2020-12-01 15:34:46,079 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:34:46,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283570928] [2020-12-01 15:34:46,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:46,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:34:46,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103630303] [2020-12-01 15:34:46,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:34:46,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:46,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:34:46,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:34:46,083 INFO L87 Difference]: Start difference. First operand 79 states and 85 transitions. Second operand 6 states. [2020-12-01 15:34:50,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:50,811 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2020-12-01 15:34:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:34:50,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-01 15:34:50,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:50,814 INFO L225 Difference]: With dead ends: 96 [2020-12-01 15:34:50,814 INFO L226 Difference]: Without dead ends: 77 [2020-12-01 15:34:50,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:34:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-01 15:34:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-12-01 15:34:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-01 15:34:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-12-01 15:34:50,851 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 15 [2020-12-01 15:34:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:50,852 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-12-01 15:34:50,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:34:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-12-01 15:34:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 15:34:50,854 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:50,854 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:51,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:34:51,060 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:51,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1195415778, now seen corresponding path program 1 times [2020-12-01 15:34:51,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:51,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91947645] [2020-12-01 15:34:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:51,078 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:34:51,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537810041] [2020-12-01 15:34:51,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/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 [2020-12-01 15:34:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:51,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 15:34:51,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:34:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 15:34:51,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91947645] [2020-12-01 15:34:51,366 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:34:51,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537810041] [2020-12-01 15:34:51,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:34:51,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:34:51,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525598106] [2020-12-01 15:34:51,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:34:51,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:34:51,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:34:51,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:34:51,368 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-12-01 15:34:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:34:58,847 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2020-12-01 15:34:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:34:58,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-01 15:34:58,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:34:58,850 INFO L225 Difference]: With dead ends: 88 [2020-12-01 15:34:58,850 INFO L226 Difference]: Without dead ends: 86 [2020-12-01 15:34:58,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-01 15:34:58,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-12-01 15:34:58,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 77. [2020-12-01 15:34:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-01 15:34:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2020-12-01 15:34:58,871 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 17 [2020-12-01 15:34:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:34:58,872 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2020-12-01 15:34:58,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:34:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2020-12-01 15:34:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 15:34:58,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:34:58,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:34:59,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:34:59,085 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:34:59,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:34:59,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1248899613, now seen corresponding path program 1 times [2020-12-01 15:34:59,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:34:59,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178843] [2020-12-01 15:34:59,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:34:59,120 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:34:59,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145330166] [2020-12-01 15:34:59,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:34:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:34:59,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 15:34:59,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:34:59,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:34:59,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 15:34:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:34:59,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178843] [2020-12-01 15:34:59,992 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:34:59,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145330166] [2020-12-01 15:34:59,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:34:59,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-01 15:34:59,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532375182] [2020-12-01 15:35:00,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 15:35:00,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:35:00,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 15:35:00,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-01 15:35:00,009 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand 10 states. [2020-12-01 15:35:13,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:35:13,978 INFO L93 Difference]: Finished difference Result 112 states and 117 transitions. [2020-12-01 15:35:13,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-01 15:35:13,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2020-12-01 15:35:13,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:35:13,980 INFO L225 Difference]: With dead ends: 112 [2020-12-01 15:35:13,980 INFO L226 Difference]: Without dead ends: 59 [2020-12-01 15:35:13,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-12-01 15:35:13,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-01 15:35:13,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-01 15:35:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-01 15:35:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 58 transitions. [2020-12-01 15:35:13,991 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 58 transitions. Word has length 27 [2020-12-01 15:35:13,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:35:13,992 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 58 transitions. [2020-12-01 15:35:13,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 15:35:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2020-12-01 15:35:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 15:35:13,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:35:13,996 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-01 15:35:14,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:35:14,201 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:35:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:35:14,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1896465242, now seen corresponding path program 1 times [2020-12-01 15:35:14,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:35:14,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697149728] [2020-12-01 15:35:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:35:14,223 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:35:14,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124073829] [2020-12-01 15:35:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:35:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:35:14,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-01 15:35:14,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:35:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:35:15,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697149728] [2020-12-01 15:35:15,096 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:35:15,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124073829] [2020-12-01 15:35:15,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:35:15,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-01 15:35:15,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445265566] [2020-12-01 15:35:15,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 15:35:15,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:35:15,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 15:35:15,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-01 15:35:15,102 INFO L87 Difference]: Start difference. First operand 59 states and 58 transitions. Second operand 10 states. [2020-12-01 15:35:29,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:35:29,105 INFO L93 Difference]: Finished difference Result 59 states and 58 transitions. [2020-12-01 15:35:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-01 15:35:29,105 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2020-12-01 15:35:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:35:29,106 INFO L225 Difference]: With dead ends: 59 [2020-12-01 15:35:29,107 INFO L226 Difference]: Without dead ends: 55 [2020-12-01 15:35:29,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-12-01 15:35:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-01 15:35:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-01 15:35:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-01 15:35:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2020-12-01 15:35:29,116 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 29 [2020-12-01 15:35:29,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:35:29,116 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2020-12-01 15:35:29,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 15:35:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-12-01 15:35:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 15:35:29,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:35:29,118 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-01 15:35:29,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-01 15:35:29,321 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:35:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:35:29,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1436776407, now seen corresponding path program 1 times [2020-12-01 15:35:29,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:35:29,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295219261] [2020-12-01 15:35:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:35:29,338 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:35:29,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616264142] [2020-12-01 15:35:29,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:35:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:35:31,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 36 conjunts are in the unsatisfiable core [2020-12-01 15:35:31,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:35:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:35:32,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295219261] [2020-12-01 15:35:32,038 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:35:32,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616264142] [2020-12-01 15:35:32,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:35:32,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-12-01 15:35:32,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158178934] [2020-12-01 15:35:32,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-01 15:35:32,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:35:32,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-01 15:35:32,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-01 15:35:32,043 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 11 states. [2020-12-01 15:35:32,713 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-12-01 15:35:40,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:35:40,453 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-12-01 15:35:40,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-01 15:35:40,454 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-12-01 15:35:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:35:40,454 INFO L225 Difference]: With dead ends: 55 [2020-12-01 15:35:40,454 INFO L226 Difference]: Without dead ends: 34 [2020-12-01 15:35:40,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-12-01 15:35:40,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-01 15:35:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-01 15:35:40,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-01 15:35:40,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2020-12-01 15:35:40,461 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 31 [2020-12-01 15:35:40,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:35:40,461 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2020-12-01 15:35:40,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-01 15:35:40,462 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2020-12-01 15:35:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 15:35:40,463 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:35:40,463 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:35:40,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:35:40,669 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:35:40,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:35:40,669 INFO L82 PathProgramCache]: Analyzing trace with hash -2057437076, now seen corresponding path program 1 times [2020-12-01 15:35:40,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:35:40,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015574158] [2020-12-01 15:35:40,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:35:40,681 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:35:40,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343215019] [2020-12-01 15:35:40,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:35:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:35:41,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-01 15:35:41,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:35:45,586 WARN L197 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-12-01 15:35:45,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:35:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:35:45,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015574158] [2020-12-01 15:35:45,676 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:35:45,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343215019] [2020-12-01 15:35:45,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:35:45,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-12-01 15:35:45,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839519479] [2020-12-01 15:35:45,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-01 15:35:45,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:35:45,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-01 15:35:45,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-01 15:35:45,679 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 10 states. [2020-12-01 15:35:54,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:35:54,352 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-12-01 15:35:54,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-01 15:35:54,359 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2020-12-01 15:35:54,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:35:54,359 INFO L225 Difference]: With dead ends: 34 [2020-12-01 15:35:54,359 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:35:54,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-12-01 15:35:54,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:35:54,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:35:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:35:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:35:54,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-12-01 15:35:54,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:35:54,362 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:35:54,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-01 15:35:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:35:54,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:35:54,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:35:54,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:35:54,990 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-01 15:35:55,263 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-12-01 15:35:55,512 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2020-12-01 15:35:55,780 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-12-01 15:35:55,914 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-01 15:35:56,214 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-12-01 15:35:56,449 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-01 15:35:56,732 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-12-01 15:35:57,033 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-12-01 15:35:57,039 INFO L265 CegarLoopResult]: At program point L60(lines 19 61) the Hoare annotation is: true [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point L52-2(lines 19 61) no Hoare annotation was computed. [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:35:57,039 INFO L262 CegarLoopResult]: For program point L12(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,040 INFO L258 CegarLoopResult]: At program point L12-1(lines 11 17) the Hoare annotation is: (let ((.cse7 (mod ULTIMATE.start_main_~n~0 4294967296))) (let ((.cse0 (= ULTIMATE.start_main_~h~0 0)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse5 (= ULTIMATE.start_main_~p~0 0)) (.cse6 (= ULTIMATE.start_main_~q~0 1)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse4 (<= 1 .cse7))) (or (and .cse0 .cse1 .cse2 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1) .cse3 .cse4 .cse5 (= ULTIMATE.start_main_~q~0 4)) (and .cse6 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse0 (<= .cse7 1) .cse2 .cse3 .cse5) (and .cse6 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) .cse1 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296) 1) .cse3 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)) .cse4)))) [2020-12-01 15:35:57,040 INFO L262 CegarLoopResult]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,040 INFO L258 CegarLoopResult]: At program point L12-3(lines 11 17) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~h~0 0)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse3 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1)) (.cse5 (= ULTIMATE.start_main_~p~0 0)) (.cse0 (= ULTIMATE.start_main_~q~0 1)) (.cse6 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse7 (<= 1 (mod ULTIMATE.start_main_~n~0 4294967296)))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse7 .cse5 (= ULTIMATE.start_main_~q~0 4)) (and .cse0 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) .cse6 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296) 1) .cse4 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)) .cse7))) [2020-12-01 15:35:57,040 INFO L262 CegarLoopResult]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,040 INFO L258 CegarLoopResult]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~h~0 0)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse3 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1)) (.cse6 (= ULTIMATE.start_main_~p~0 0)) (.cse7 (= ULTIMATE.start_main_~q~0 1)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse5 (<= 1 (mod ULTIMATE.start_main_~n~0 4294967296)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_main_~q~0 4)) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse7 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) .cse1 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296) 1) .cse4 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)) .cse5))) [2020-12-01 15:35:57,040 INFO L262 CegarLoopResult]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,040 INFO L258 CegarLoopResult]: At program point L12-7(lines 11 17) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~h~0 0)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse3 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1)) (.cse5 (= ULTIMATE.start_main_~p~0 0)) (.cse0 (= ULTIMATE.start_main_~q~0 1)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse6 (<= 1 (mod ULTIMATE.start_main_~n~0 4294967296)))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 .cse4 .cse5) (and .cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2 .cse3 .cse4 .cse6 .cse5 (= ULTIMATE.start_main_~q~0 4)) (and .cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296) 1) .cse4 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)) .cse6))) [2020-12-01 15:35:57,040 INFO L262 CegarLoopResult]: For program point L12-8(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,041 INFO L258 CegarLoopResult]: At program point L12-9(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~h~0 0)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse3 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1)) (.cse6 (= ULTIMATE.start_main_~p~0 0)) (.cse7 (= ULTIMATE.start_main_~q~0 1)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse5 (<= 1 (mod ULTIMATE.start_main_~n~0 4294967296)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_main_~q~0 4)) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse7 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) .cse1 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296) 1) .cse4 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)) .cse5))) [2020-12-01 15:35:57,041 INFO L262 CegarLoopResult]: For program point L12-10(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,041 INFO L258 CegarLoopResult]: At program point L12-11(lines 46 47) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~h~0 0)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse3 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1)) (.cse5 (= ULTIMATE.start_main_~p~0 0)) (.cse0 (= ULTIMATE.start_main_~q~0 1)) (.cse6 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse7 (<= 1 (mod ULTIMATE.start_main_~n~0 4294967296)))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse7 .cse5 (= ULTIMATE.start_main_~q~0 4)) (and .cse0 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) .cse6 (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296) 1) .cse4 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)) .cse7))) [2020-12-01 15:35:57,041 INFO L262 CegarLoopResult]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,041 INFO L258 CegarLoopResult]: At program point L12-13(lines 11 17) the Hoare annotation is: (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse4 (= ULTIMATE.start_main_~p~0 0)) (.cse0 (= ULTIMATE.start_main_~q~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 .cse1 .cse2 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= (+ (* 4294967296 (div (+ ULTIMATE.start_main_~q~0 (* ULTIMATE.start_main_~p~0 2)) 4294967296)) ULTIMATE.start_main_~r~0 (* 4294967296 (div ULTIMATE.start_main_~q~0 4294967296)) 1) (+ ULTIMATE.start_main_~q~0 (* 4294967296 (div ULTIMATE.start_main_~r~0 4294967296)))) .cse4) (let ((.cse5 (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296))) (and .cse0 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 .cse5) (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= .cse5 1) .cse3 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)))))) [2020-12-01 15:35:57,041 INFO L262 CegarLoopResult]: For program point L12-14(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,041 INFO L258 CegarLoopResult]: At program point L12-15(lines 11 17) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse2 (= ULTIMATE.start_main_~p~0 0)) (.cse0 (= ULTIMATE.start_main_~q~0 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse1 (<= (+ (* 4294967296 (div (+ ULTIMATE.start_main_~q~0 (* ULTIMATE.start_main_~p~0 2)) 4294967296)) ULTIMATE.start_main_~r~0 (* 4294967296 (div ULTIMATE.start_main_~q~0 4294967296)) 1) (+ ULTIMATE.start_main_~q~0 (* 4294967296 (div ULTIMATE.start_main_~r~0 4294967296)))) .cse2) (and .cse0 .cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1) .cse3 .cse2) (let ((.cse4 (mod (+ ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~r~0) 4294967296))) (and .cse0 (= ULTIMATE.start_main_~h~0 ULTIMATE.start_main_~q~0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 .cse4) (= ULTIMATE.start_main_~q~0 ULTIMATE.start_main_~p~0) (<= .cse4 1) .cse3 (= ULTIMATE.start_main_~n~0 (+ ULTIMATE.start_main_~r~0 ULTIMATE.start_main_~h~0)))))) [2020-12-01 15:35:57,041 INFO L262 CegarLoopResult]: For program point L12-16(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:35:57,042 INFO L265 CegarLoopResult]: At program point L12-17(lines 11 17) the Hoare annotation is: true [2020-12-01 15:35:57,042 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,042 INFO L262 CegarLoopResult]: For program point L13(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,042 INFO L262 CegarLoopResult]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,042 INFO L262 CegarLoopResult]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,042 INFO L262 CegarLoopResult]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point L13-6(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point L13-7(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point L38-1(lines 38 56) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point L13-8(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:35:57,043 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,044 INFO L258 CegarLoopResult]: At program point L30-2(lines 30 35) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~h~0 0)) (.cse1 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse2 (<= (mod ULTIMATE.start_main_~r~0 4294967296) 1)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse4 (= ULTIMATE.start_main_~p~0 0))) (or (and (= ULTIMATE.start_main_~q~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (<= 1 (mod ULTIMATE.start_main_~n~0 4294967296)) .cse4 (= ULTIMATE.start_main_~q~0 4)))) [2020-12-01 15:35:57,044 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-01 15:35:57,044 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,044 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:35:57,044 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,044 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point L8-1(lines 8 10) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed. [2020-12-01 15:35:57,045 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:35:57,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:35:57 BoogieIcfgContainer [2020-12-01 15:35:57,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:35:57,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:35:57,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:35:57,105 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:35:57,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:34:11" (3/4) ... [2020-12-01 15:35:57,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:35:57,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-12-01 15:35:57,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:35:57,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:35:57,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:35:57,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_125e1cfa-5795-44d7-a5d1-933fd4b8bab7/bin/uautomizer/witness.graphml [2020-12-01 15:35:57,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:35:57,239 INFO L168 Benchmark]: Toolchain (without parser) took 111254.49 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 80.3 MB in the beginning and 91.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:35:57,239 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:35:57,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.67 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 85.8 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:35:57,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.79 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 84.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:35:57,241 INFO L168 Benchmark]: Boogie Preprocessor took 37.12 ms. Allocated memory is still 111.1 MB. Free memory was 84.2 MB in the beginning and 82.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:35:57,241 INFO L168 Benchmark]: RCFGBuilder took 4566.83 ms. Allocated memory is still 111.1 MB. Free memory was 82.8 MB in the beginning and 63.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:35:57,242 INFO L168 Benchmark]: TraceAbstraction took 105941.78 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 63.5 MB in the beginning and 95.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:35:57,242 INFO L168 Benchmark]: Witness Printer took 132.75 ms. Allocated memory is still 134.2 MB. Free memory was 95.3 MB in the beginning and 91.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:35:57,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 37.2 MB in the beginning and 37.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 501.67 ms. Allocated memory is still 111.1 MB. Free memory was 80.3 MB in the beginning and 85.8 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.79 ms. Allocated memory is still 111.1 MB. Free memory was 85.8 MB in the beginning and 84.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.12 ms. Allocated memory is still 111.1 MB. Free memory was 84.2 MB in the beginning and 82.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4566.83 ms. Allocated memory is still 111.1 MB. Free memory was 82.8 MB in the beginning and 63.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 105941.78 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 63.5 MB in the beginning and 95.3 MB in the end (delta: -31.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. * Witness Printer took 132.75 ms. Allocated memory is still 134.2 MB. Free memory was 95.3 MB in the beginning and 91.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((q == 1 && !(0 == cond)) && n == r) && r % 4294967296 <= 1) && cond == 1) && p == 0) || ((((q == 1 && !(0 == cond)) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && p == 0)) || (((((((q == 1 && h == q) && 1 == cond) && 1 <= (q + r) % 4294967296) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((((q == 1 && h == 0) && n == r) && 1 <= cond) && r % 4294967296 <= 1) && cond == 1) && p == 0) || (((((((h == 0 && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4)) || (((((((q == 1 && !(0 == cond)) && h == q) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) && 1 <= n % 4294967296) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((((h == 0 && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4) || ((((((q == 1 && !(0 == cond)) && h == 0) && n % 4294967296 <= 1) && n == r) && cond == 1) && p == 0)) || (((((((q == 1 && h == q) && 1 == cond) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) && 1 <= n % 4294967296) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((q == 1 && h == 0) && n == r) && 1 <= cond) && r % 4294967296 <= 1) && cond == 1) && p == 0) || (((((((h == 0 && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4)) || (((((((q == 1 && h == q) && 1 == cond) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) && 1 <= n % 4294967296) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((q == 1 && h == 0) && n == r) && r % 4294967296 <= 1) && cond == 1) && p == 0) || ((((((h == 0 && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((((h == 0 && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4) || ((((((q == 1 && h == 0) && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && p == 0)) || (((((((q == 1 && h == q) && 1 == cond) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) && 1 <= n % 4294967296) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((q == 1 && !(0 == cond)) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && p == 0) || (((((q == 1 && n == r) && 1 <= cond) && r % 4294967296 <= 1) && cond == 1) && p == 0)) || (((((((q == 1 && h == q) && 1 == cond) && 1 <= (q + r) % 4294967296) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((((h == 0 && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4) || ((((((q == 1 && h == 0) && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && p == 0)) || (((((((q == 1 && h == q) && 1 == cond) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) && 1 <= n % 4294967296) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((((q == 1 && h == 0) && n == r) && 1 <= cond) && r % 4294967296 <= 1) && cond == 1) && p == 0) || (((((((h == 0 && 1 == cond) && n == r) && r % 4294967296 <= 1) && cond == 1) && 1 <= n % 4294967296) && p == 0) && q == 4)) || (((((((q == 1 && h == q) && 1 == cond) && q == p) && (q + r) % 4294967296 <= 1) && cond == 1) && n == r + h) && 1 <= n % 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 103.3s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 89.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 241 SDtfs, 781 SDslu, 611 SDs, 0 SdLazy, 988 SolverSat, 352 SolverUnsat, 37 SolverUnknown, 0 SolverNotchecked, 83.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 117 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 39 NumberOfFragments, 767 HoareAnnotationTreeSize, 11 FomulaSimplifications, 285 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 772 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 61215 SizeOfPredicates, 61 NumberOfNonLiveVariables, 662 ConjunctsInSsa, 192 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 2/34 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...