./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.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_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 ed46dd72b47544e751c43723d7d519a92e121aab ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:43:51,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:43:51,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:43:51,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:43:51,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:43:51,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:43:51,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:43:51,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:43:51,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:43:51,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:43:51,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:43:51,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:43:51,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:43:51,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:43:51,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:43:51,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:43:51,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:43:51,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:43:51,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:43:51,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:43:51,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:43:51,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:43:51,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:43:51,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:43:51,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:43:51,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:43:51,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:43:51,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:43:51,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:43:51,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:43:51,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:43:51,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:43:51,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:43:51,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:43:51,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:43:51,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:43:51,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:43:51,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:43:51,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:43:51,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:43:51,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:43:51,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:43:51,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:43:51,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:43:51,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:43:51,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:43:51,371 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:43:51,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:43:51,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:43:51,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:43:51,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:43:51,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:43:51,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:43:51,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:43:51,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:43:51,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:43:51,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:43:51,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:43:51,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:43:51,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:43:51,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:43:51,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:43:51,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:43:51,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:43:51,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:43:51,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:43:51,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:43:51,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:43:51,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:43:51,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:43:51,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:43:51,380 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_284bf731-264e-47f7-916f-11daaaddc308/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed46dd72b47544e751c43723d7d519a92e121aab [2020-12-01 15:43:51,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:43:51,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:43:51,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:43:51,785 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:43:51,786 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:43:51,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2020-12-01 15:43:51,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/data/14ba7982b/3ea119a69da84e9786b641774f87fff4/FLAGa774f3eb0 [2020-12-01 15:43:52,470 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:43:52,471 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2020-12-01 15:43:52,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/data/14ba7982b/3ea119a69da84e9786b641774f87fff4/FLAGa774f3eb0 [2020-12-01 15:43:52,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/data/14ba7982b/3ea119a69da84e9786b641774f87fff4 [2020-12-01 15:43:52,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:43:52,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:43:52,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:43:52,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:43:52,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:43:52,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:43:52" (1/1) ... [2020-12-01 15:43:52,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e513e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:52, skipping insertion in model container [2020-12-01 15:43:52,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:43:52" (1/1) ... [2020-12-01 15:43:52,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:43:52,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:43:53,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:43:53,153 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:43:53,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:43:53,200 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:43:53,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53 WrapperNode [2020-12-01 15:43:53,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:43:53,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:43:53,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:43:53,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:43:53,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:43:53,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:43:53,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:43:53,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:43:53,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... [2020-12-01 15:43:53,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:43:53,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:43:53,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:43:53,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:43:53,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:43:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:43:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:43:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:43:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:43:57,257 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:43:57,270 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 15:43:57,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:43:57 BoogieIcfgContainer [2020-12-01 15:43:57,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:43:57,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:43:57,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:43:57,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:43:57,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:43:52" (1/3) ... [2020-12-01 15:43:57,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:43:57, skipping insertion in model container [2020-12-01 15:43:57,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:43:53" (2/3) ... [2020-12-01 15:43:57,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:43:57, skipping insertion in model container [2020-12-01 15:43:57,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:43:57" (3/3) ... [2020-12-01 15:43:57,288 INFO L111 eAbstractionObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2020-12-01 15:43:57,307 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:43:57,312 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-12-01 15:43:57,327 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-01 15:43:57,359 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:43:57,360 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:43:57,360 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:43:57,360 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:43:57,360 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:43:57,361 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:43:57,361 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:43:57,361 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:43:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-12-01 15:43:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 15:43:57,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:43:57,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:43:57,392 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 15:43:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:43:57,399 INFO L82 PathProgramCache]: Analyzing trace with hash -577938953, now seen corresponding path program 1 times [2020-12-01 15:43:57,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:43:57,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126411363] [2020-12-01 15:43:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:43:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:43:57,672 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 15:43:57,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126411363] [2020-12-01 15:43:57,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:43:57,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:43:57,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945616634] [2020-12-01 15:43:57,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:43:57,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:43:57,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:43:57,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:43:57,710 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2020-12-01 15:43:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:43:57,749 INFO L93 Difference]: Finished difference Result 97 states and 128 transitions. [2020-12-01 15:43:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:43:57,750 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-01 15:43:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:43:57,777 INFO L225 Difference]: With dead ends: 97 [2020-12-01 15:43:57,785 INFO L226 Difference]: Without dead ends: 46 [2020-12-01 15:43:57,790 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 15:43:57,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-01 15:43:57,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-12-01 15:43:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-01 15:43:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2020-12-01 15:43:57,858 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 9 [2020-12-01 15:43:57,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:43:57,858 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2020-12-01 15:43:57,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:43:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-12-01 15:43:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 15:43:57,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:43:57,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:43:57,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:43:57,865 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 15:43:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:43:57,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1987056657, now seen corresponding path program 1 times [2020-12-01 15:43:57,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:43:57,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469797542] [2020-12-01 15:43:57,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:43:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:43:58,040 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 15:43:58,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469797542] [2020-12-01 15:43:58,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:43:58,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:43:58,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186578541] [2020-12-01 15:43:58,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:43:58,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:43:58,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:43:58,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:43:58,051 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 4 states. [2020-12-01 15:43:58,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:43:58,125 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2020-12-01 15:43:58,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:43:58,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-01 15:43:58,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:43:58,130 INFO L225 Difference]: With dead ends: 87 [2020-12-01 15:43:58,130 INFO L226 Difference]: Without dead ends: 48 [2020-12-01 15:43:58,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:43:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-01 15:43:58,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-12-01 15:43:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-01 15:43:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2020-12-01 15:43:58,159 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 10 [2020-12-01 15:43:58,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:43:58,160 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2020-12-01 15:43:58,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:43:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2020-12-01 15:43:58,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:43:58,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:43:58,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:43:58,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:43:58,162 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 15:43:58,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:43:58,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1420419469, now seen corresponding path program 1 times [2020-12-01 15:43:58,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:43:58,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368348672] [2020-12-01 15:43:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:43:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:43:58,633 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 15:43:58,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368348672] [2020-12-01 15:43:58,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:43:58,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:43:58,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612418617] [2020-12-01 15:43:58,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:43:58,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:43:58,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:43:58,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:43:58,640 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 5 states. [2020-12-01 15:44:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:18,516 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2020-12-01 15:44:18,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:44:18,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-01 15:44:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:18,520 INFO L225 Difference]: With dead ends: 116 [2020-12-01 15:44:18,520 INFO L226 Difference]: Without dead ends: 73 [2020-12-01 15:44:18,521 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 15:44:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-01 15:44:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2020-12-01 15:44:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-01 15:44:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2020-12-01 15:44:18,553 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 11 [2020-12-01 15:44:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:18,553 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2020-12-01 15:44:18,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:44:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2020-12-01 15:44:18,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 15:44:18,555 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:18,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:18,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:44:18,555 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 15:44:18,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:18,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1083307667, now seen corresponding path program 1 times [2020-12-01 15:44:18,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:18,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038571107] [2020-12-01 15:44:18,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:18,573 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:44:18,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791249776] [2020-12-01 15:44:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:44:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:18,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 15:44:18,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:18,750 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 15:44:18,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038571107] [2020-12-01 15:44:18,751 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:44:18,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791249776] [2020-12-01 15:44:18,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:18,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:44:18,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709739169] [2020-12-01 15:44:18,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:44:18,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:18,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:44:18,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:18,755 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 5 states. [2020-12-01 15:44:18,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:18,792 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2020-12-01 15:44:18,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:44:18,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-12-01 15:44:18,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:18,795 INFO L225 Difference]: With dead ends: 70 [2020-12-01 15:44:18,795 INFO L226 Difference]: Without dead ends: 66 [2020-12-01 15:44:18,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:18,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-12-01 15:44:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-12-01 15:44:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-01 15:44:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2020-12-01 15:44:18,807 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 12 [2020-12-01 15:44:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:18,808 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2020-12-01 15:44:18,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:44:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2020-12-01 15:44:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:44:18,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:18,809 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:19,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:19,033 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 15:44:19,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:19,033 INFO L82 PathProgramCache]: Analyzing trace with hash 2047013432, now seen corresponding path program 1 times [2020-12-01 15:44:19,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:19,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141102695] [2020-12-01 15:44:19,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:19,129 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 15:44:19,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141102695] [2020-12-01 15:44:19,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982634436] [2020-12-01 15:44:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:44:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:19,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 15:44:19,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:19,225 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 15:44:19,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 15:44:19,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-01 15:44:19,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922863513] [2020-12-01 15:44:19,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:44:19,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:19,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:44:19,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:44:19,228 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2020-12-01 15:44:19,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:19,306 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2020-12-01 15:44:19,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:44:19,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-01 15:44:19,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:19,308 INFO L225 Difference]: With dead ends: 106 [2020-12-01 15:44:19,309 INFO L226 Difference]: Without dead ends: 67 [2020-12-01 15:44:19,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:19,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-12-01 15:44:19,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-12-01 15:44:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-01 15:44:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2020-12-01 15:44:19,333 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 13 [2020-12-01 15:44:19,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:19,334 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2020-12-01 15:44:19,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:44:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2020-12-01 15:44:19,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 15:44:19,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:19,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:19,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:19,537 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 15:44:19,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:19,538 INFO L82 PathProgramCache]: Analyzing trace with hash -918298294, now seen corresponding path program 1 times [2020-12-01 15:44:19,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:19,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938128114] [2020-12-01 15:44:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:44:19,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938128114] [2020-12-01 15:44:19,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:19,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:44:19,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852613037] [2020-12-01 15:44:19,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:44:19,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:19,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:44:19,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:19,653 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand 6 states. [2020-12-01 15:44:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:19,719 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2020-12-01 15:44:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:44:19,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-01 15:44:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:19,721 INFO L225 Difference]: With dead ends: 83 [2020-12-01 15:44:19,721 INFO L226 Difference]: Without dead ends: 44 [2020-12-01 15:44:19,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:44:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-01 15:44:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-01 15:44:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-01 15:44:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-12-01 15:44:19,729 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 14 [2020-12-01 15:44:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:19,729 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-12-01 15:44:19,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:44:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-12-01 15:44:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 15:44:19,730 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:19,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:19,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:44:19,731 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 15:44:19,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:19,732 INFO L82 PathProgramCache]: Analyzing trace with hash -937019527, now seen corresponding path program 1 times [2020-12-01 15:44:19,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:19,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043506680] [2020-12-01 15:44:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:19,744 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:44:19,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1500358778] [2020-12-01 15:44:19,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:44:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:19,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 15:44:19,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:20,067 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 15:44:20,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043506680] [2020-12-01 15:44:20,068 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:44:20,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500358778] [2020-12-01 15:44:20,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:20,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:44:20,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589454278] [2020-12-01 15:44:20,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:44:20,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:20,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:44:20,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:20,070 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 6 states. [2020-12-01 15:44:24,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:24,755 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-12-01 15:44:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:44:24,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-01 15:44:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:24,796 INFO L225 Difference]: With dead ends: 46 [2020-12-01 15:44:24,796 INFO L226 Difference]: Without dead ends: 44 [2020-12-01 15:44:24,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 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 15:44:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-01 15:44:24,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-12-01 15:44:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-01 15:44:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-12-01 15:44:24,815 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 15 [2020-12-01 15:44:24,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:24,816 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-12-01 15:44:24,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:44:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-12-01 15:44:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 15:44:24,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:24,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:25,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:25,021 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 15:44:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:25,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1597546870, now seen corresponding path program 1 times [2020-12-01 15:44:25,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:25,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159242821] [2020-12-01 15:44:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:25,030 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:44:25,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275295263] [2020-12-01 15:44:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:44:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:25,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 15:44:25,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 15:44:25,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159242821] [2020-12-01 15:44:25,305 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:44:25,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275295263] [2020-12-01 15:44:25,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:25,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:44:25,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532131873] [2020-12-01 15:44:25,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:44:25,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:25,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:44:25,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:25,310 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 6 states. [2020-12-01 15:44:31,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:31,900 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2020-12-01 15:44:31,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:44:31,900 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-12-01 15:44:31,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:31,901 INFO L225 Difference]: With dead ends: 44 [2020-12-01 15:44:31,901 INFO L226 Difference]: Without dead ends: 38 [2020-12-01 15:44:31,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 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 15:44:31,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-01 15:44:31,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-01 15:44:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-01 15:44:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2020-12-01 15:44:31,906 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 15 [2020-12-01 15:44:31,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:31,906 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2020-12-01 15:44:31,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:44:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-12-01 15:44:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 15:44:31,907 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:31,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:32,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:32,111 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 15:44:32,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:32,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1939407257, now seen corresponding path program 1 times [2020-12-01 15:44:32,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:32,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301452208] [2020-12-01 15:44:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:32,120 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:44:32,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500634835] [2020-12-01 15:44:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:44:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:32,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 15:44:32,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 15:44:32,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301452208] [2020-12-01 15:44:32,322 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:44:32,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500634835] [2020-12-01 15:44:32,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:32,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:44:32,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827169319] [2020-12-01 15:44:32,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:44:32,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:32,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:44:32,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:44:32,326 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 6 states. [2020-12-01 15:44:34,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:34,749 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2020-12-01 15:44:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 15:44:34,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-12-01 15:44:34,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:34,751 INFO L225 Difference]: With dead ends: 38 [2020-12-01 15:44:34,751 INFO L226 Difference]: Without dead ends: 25 [2020-12-01 15:44:34,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-01 15:44:34,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-12-01 15:44:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-12-01 15:44:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-01 15:44:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-12-01 15:44:34,756 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 17 [2020-12-01 15:44:34,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:34,756 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-12-01 15:44:34,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:44:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-12-01 15:44:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 15:44:34,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:44:34,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:44:34,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:34,969 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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 15:44:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:44:34,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1291223575, now seen corresponding path program 1 times [2020-12-01 15:44:34,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:44:34,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835515029] [2020-12-01 15:44:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:44:34,980 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-01 15:44:34,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987764023] [2020-12-01 15:44:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/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 15:44:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:44:35,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 15:44:35,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:44:35,459 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 15:44:35,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835515029] [2020-12-01 15:44:35,460 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-01 15:44:35,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987764023] [2020-12-01 15:44:35,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:44:35,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-01 15:44:35,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048149695] [2020-12-01 15:44:35,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-01 15:44:35,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:44:35,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 15:44:35,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:44:35,465 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 8 states. [2020-12-01 15:44:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:44:40,207 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-12-01 15:44:40,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-01 15:44:40,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-12-01 15:44:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:44:40,207 INFO L225 Difference]: With dead ends: 25 [2020-12-01 15:44:40,207 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:44:40,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-01 15:44:40,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:44:40,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:44:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:44:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:44:40,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-12-01 15:44:40,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:44:40,209 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:44:40,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-01 15:44:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:44:40,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:44:40,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:44:40,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:44:40,647 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-12-01 15:44:40,832 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-01 15:44:41,334 INFO L265 CegarLoopResult]: At program point L60(lines 20 61) the Hoare annotation is: true [2020-12-01 15:44:41,334 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L262 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L262 CegarLoopResult]: For program point L52-2(lines 20 61) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L262 CegarLoopResult]: For program point L12(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,335 INFO L258 CegarLoopResult]: At program point L12-1(lines 11 17) the Hoare annotation is: (and (= ULTIMATE.start_main_~q~0 1) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (= ULTIMATE.start_main_~h~0 0) (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) (= ULTIMATE.start_main_~p~0 0)) [2020-12-01 15:44:41,336 INFO L262 CegarLoopResult]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,336 INFO L258 CegarLoopResult]: At program point L12-3(lines 11 17) the Hoare annotation is: (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~h~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) (= ULTIMATE.start_main_~p~0 0)) [2020-12-01 15:44:41,336 INFO L262 CegarLoopResult]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,336 INFO L258 CegarLoopResult]: At program point L12-5(lines 11 17) the Hoare annotation is: (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~h~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) (= ULTIMATE.start_main_~p~0 0)) [2020-12-01 15:44:41,336 INFO L262 CegarLoopResult]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,336 INFO L258 CegarLoopResult]: At program point L12-7(lines 11 17) the Hoare annotation is: (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~h~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) (= ULTIMATE.start_main_~p~0 0)) [2020-12-01 15:44:41,336 INFO L262 CegarLoopResult]: For program point L12-8(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,337 INFO L258 CegarLoopResult]: At program point L12-9(lines 11 17) the Hoare annotation is: (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~h~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) (= ULTIMATE.start_main_~p~0 0)) [2020-12-01 15:44:41,337 INFO L262 CegarLoopResult]: For program point L12-10(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,337 INFO L258 CegarLoopResult]: At program point L12-11(lines 46 47) the Hoare annotation is: (and (= ULTIMATE.start_main_~q~0 1) (= ULTIMATE.start_main_~h~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) (= ULTIMATE.start_main_~p~0 0)) [2020-12-01 15:44:41,337 INFO L262 CegarLoopResult]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,337 INFO L258 CegarLoopResult]: At program point L12-13(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse1 (= ULTIMATE.start_main_~p~0 0))) (or (and (= ULTIMATE.start_main_~h~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< (mod ULTIMATE.start_main_~n~0 4294967296) 1073741823) .cse0 (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) .cse1) (and (= ULTIMATE.start_main_~q~0 1) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse0 (<= (+ (* 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)))) .cse1))) [2020-12-01 15:44:41,338 INFO L262 CegarLoopResult]: For program point L12-14(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,338 INFO L258 CegarLoopResult]: At program point L12-15(lines 11 17) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse1 (= ULTIMATE.start_main_~p~0 0))) (or (and .cse0 (= ULTIMATE.start_main_~h~0 0) (< (mod ULTIMATE.start_main_~n~0 4294967296) 1073741823) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 2 ~counter~0) .cse1) (and (= ULTIMATE.start_main_~q~0 1) .cse0 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0) (<= (+ (* 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)))) .cse1))) [2020-12-01 15:44:41,338 INFO L262 CegarLoopResult]: For program point L12-16(lines 12 15) no Hoare annotation was computed. [2020-12-01 15:44:41,338 INFO L265 CegarLoopResult]: At program point L12-17(lines 11 17) the Hoare annotation is: true [2020-12-01 15:44:41,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,338 INFO L262 CegarLoopResult]: For program point L13(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,338 INFO L262 CegarLoopResult]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,338 INFO L262 CegarLoopResult]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L13-6(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L38(lines 38 56) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L13-7(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L13-8(lines 13 14) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 56) no Hoare annotation was computed. [2020-12-01 15:44:41,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,340 INFO L262 CegarLoopResult]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2020-12-01 15:44:41,340 INFO L258 CegarLoopResult]: At program point L30-3(lines 30 35) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~h~0 0)) (.cse1 (< (mod ULTIMATE.start_main_~n~0 4294967296) 1073741823)) (.cse2 (= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~r~0)) (.cse3 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse4 (= ULTIMATE.start_main_~p~0 0))) (or (and (<= 1 ~counter~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_main_~q~0 1) .cse0 .cse1 .cse2 .cse3 (<= 0 ~counter~0) .cse4))) [2020-12-01 15:44:41,341 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-01 15:44:41,341 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,342 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:44:41,342 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,342 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,342 INFO L262 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-12-01 15:44:41,342 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:44:41,343 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,343 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-01 15:44:41,343 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2020-12-01 15:44:41,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:44:41 BoogieIcfgContainer [2020-12-01 15:44:41,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:44:41,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:44:41,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:44:41,374 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:44:41,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:43:57" (3/4) ... [2020-12-01 15:44:41,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:44:41,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-12-01 15:44:41,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:44:41,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:44:41,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:44:41,494 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_284bf731-264e-47f7-916f-11daaaddc308/bin/uautomizer/witness.graphml [2020-12-01 15:44:41,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:44:41,505 INFO L168 Benchmark]: Toolchain (without parser) took 48661.82 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.3 MB in the beginning and 67.1 MB in the end (delta: -21.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:44:41,506 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 79.7 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:44:41,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.59 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.1 MB in the beginning and 77.2 MB in the end (delta: -32.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:41,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.24 ms. Allocated memory is still 100.7 MB. Free memory was 77.2 MB in the beginning and 75.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:44:41,512 INFO L168 Benchmark]: Boogie Preprocessor took 31.43 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 73.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:41,514 INFO L168 Benchmark]: RCFGBuilder took 3986.53 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 55.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:41,515 INFO L168 Benchmark]: TraceAbstraction took 44097.62 ms. Allocated memory is still 100.7 MB. Free memory was 54.7 MB in the beginning and 70.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:41,515 INFO L168 Benchmark]: Witness Printer took 130.01 ms. Allocated memory is still 100.7 MB. Free memory was 70.3 MB in the beginning and 67.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:44:41,518 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 52.1 MB in the beginning and 52.1 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.59 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.1 MB in the beginning and 77.2 MB in the end (delta: -32.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.24 ms. Allocated memory is still 100.7 MB. Free memory was 77.2 MB in the beginning and 75.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.43 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 73.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3986.53 ms. Allocated memory is still 100.7 MB. Free memory was 73.9 MB in the beginning and 55.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44097.62 ms. Allocated memory is still 100.7 MB. Free memory was 54.7 MB in the beginning and 70.3 MB in the end (delta: -15.7 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * Witness Printer took 130.01 ms. Allocated memory is still 100.7 MB. Free memory was 70.3 MB in the beginning and 67.1 MB in the end (delta: 3.2 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: ((((((h == 0 && 1 == cond) && n % 4294967296 < 1073741823) && n == r) && cond == 1) && 2 <= counter) && p == 0) || ((((q == 1 && !(0 == cond)) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && p == 0) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((q == 1 && h == 0) && 1 == cond) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && cond == 1) && 2 <= counter) && p == 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((q == 1 && !(0 == cond)) && h == 0) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && cond == 1) && 2 <= counter) && p == 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((1 <= counter && h == 0) && n % 4294967296 < 1073741823) && n == r) && cond == 1) && p == 0) || ((((((q == 1 && h == 0) && n % 4294967296 < 1073741823) && n == r) && cond == 1) && 0 <= counter) && p == 0) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((q == 1 && h == 0) && 1 == cond) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && cond == 1) && 2 <= counter) && p == 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((q == 1 && h == 0) && 1 == cond) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && cond == 1) && 2 <= counter) && p == 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((!(0 == cond) && h == 0) && n % 4294967296 < 1073741823) && cond == 1) && 2 <= counter) && p == 0) || ((((q == 1 && !(0 == cond)) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && p == 0) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((q == 1 && h == 0) && 1 == cond) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && cond == 1) && 2 <= counter) && p == 0 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((q == 1 && h == 0) && 1 == cond) && n == r) && 4294967296 * ((q + p * 2) / 4294967296) + r + 4294967296 * (q / 4294967296) + 1 <= q + 4294967296 * (r / 4294967296)) && cond == 1) && 2 <= counter) && p == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 38.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 333 SDtfs, 363 SDslu, 534 SDs, 0 SdLazy, 267 SolverSat, 71 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 35.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=5, 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, 10 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 26 NumberOfFragments, 457 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 123 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 17450 SizeOfPredicates, 31 NumberOfNonLiveVariables, 466 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 9/13 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...