./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/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 aea7f1374c5d76c33344f6e41fb1f8c900f52c61 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:49:45,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:49:45,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:49:45,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:49:45,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:49:45,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:49:45,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:49:45,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:49:45,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:49:45,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:49:45,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:49:45,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:49:45,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:49:45,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:49:45,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:49:45,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:49:45,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:49:45,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:49:45,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:49:45,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:49:45,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:49:45,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:49:45,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:49:45,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:49:45,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:49:45,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:49:45,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:49:45,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:49:45,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:49:45,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:49:45,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:49:45,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:49:45,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:49:45,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:49:45,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:49:45,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:49:45,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:49:45,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:49:45,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:49:45,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:49:45,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:49:45,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:49:45,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:49:45,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:49:45,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:49:45,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:49:45,716 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:49:45,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:49:45,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:49:45,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:49:45,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:49:45,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:49:45,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:49:45,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:49:45,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:49:45,720 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:49:45,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:49:45,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:49:45,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:49:45,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:49:45,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:49:45,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:49:45,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:49:45,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:49:45,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:49:45,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:49:45,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:49:45,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:49:45,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:49:45,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:49:45,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:49:45,747 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_ee9deced-d50c-4735-87bc-5e417a993926/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aea7f1374c5d76c33344f6e41fb1f8c900f52c61 [2020-11-29 18:49:46,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:49:46,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:49:46,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:49:46,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:49:46,095 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:49:46,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2020-11-29 18:49:46,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/data/f7bf30dea/e2711c5204a34dec933a3d4efd7e84a7/FLAG89845655f [2020-11-29 18:49:46,769 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:49:46,770 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2020-11-29 18:49:46,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/data/f7bf30dea/e2711c5204a34dec933a3d4efd7e84a7/FLAG89845655f [2020-11-29 18:49:47,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/data/f7bf30dea/e2711c5204a34dec933a3d4efd7e84a7 [2020-11-29 18:49:47,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:49:47,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:49:47,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:49:47,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:49:47,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:49:47,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fa8036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47, skipping insertion in model container [2020-11-29 18:49:47,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:49:47,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:49:47,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:49:47,389 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:49:47,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:49:47,428 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:49:47,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47 WrapperNode [2020-11-29 18:49:47,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:49:47,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:49:47,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:49:47,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:49:47,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:49:47,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:49:47,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:49:47,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:49:47,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... [2020-11-29 18:49:47,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:49:47,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:49:47,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:49:47,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:49:47,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:49:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:49:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:49:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:49:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:49:47,812 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:49:47,812 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-29 18:49:47,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:49:47 BoogieIcfgContainer [2020-11-29 18:49:47,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:49:47,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:49:47,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:49:47,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:49:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:49:47" (1/3) ... [2020-11-29 18:49:47,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c8543b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:49:47, skipping insertion in model container [2020-11-29 18:49:47,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:49:47" (2/3) ... [2020-11-29 18:49:47,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c8543b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:49:47, skipping insertion in model container [2020-11-29 18:49:47,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:49:47" (3/3) ... [2020-11-29 18:49:47,847 INFO L111 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound10.c [2020-11-29 18:49:47,861 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:49:47,866 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 18:49:47,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-29 18:49:47,922 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:49:47,922 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:49:47,922 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:49:47,923 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:49:47,923 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:49:47,923 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:49:47,923 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:49:47,924 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:49:47,952 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-29 18:49:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:49:47,985 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:49:47,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:49:47,987 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:49:47,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:49:47,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1804972333, now seen corresponding path program 1 times [2020-11-29 18:49:48,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:49:48,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55561845] [2020-11-29 18:49:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:49:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:49:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:49:48,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55561845] [2020-11-29 18:49:48,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:49:48,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:49:48,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990776096] [2020-11-29 18:49:48,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:49:48,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:49:48,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:49:48,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:49:48,193 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 2 states. [2020-11-29 18:49:48,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:49:48,210 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2020-11-29 18:49:48,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:49:48,212 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-29 18:49:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:49:48,222 INFO L225 Difference]: With dead ends: 31 [2020-11-29 18:49:48,222 INFO L226 Difference]: Without dead ends: 13 [2020-11-29 18:49:48,226 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 [2020-11-29 18:49:48,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-29 18:49:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-29 18:49:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 18:49:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-11-29 18:49:48,266 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2020-11-29 18:49:48,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:49:48,267 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-11-29 18:49:48,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:49:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-11-29 18:49:48,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 18:49:48,268 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:49:48,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:49:48,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:49:48,269 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:49:48,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:49:48,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1806819375, now seen corresponding path program 1 times [2020-11-29 18:49:48,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:49:48,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11213249] [2020-11-29 18:49:48,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:49:48,294 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 18:49:48,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958042382] [2020-11-29 18:49:48,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:49:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:49:48,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:49:48,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:49:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:49:48,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11213249] [2020-11-29 18:49:48,559 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 18:49:48,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958042382] [2020-11-29 18:49:48,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:49:48,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:49:48,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917311289] [2020-11-29 18:49:48,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:49:48,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:49:48,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:49:48,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:49:48,565 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 4 states. [2020-11-29 18:49:48,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:49:48,655 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2020-11-29 18:49:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:49:48,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-11-29 18:49:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:49:48,657 INFO L225 Difference]: With dead ends: 23 [2020-11-29 18:49:48,657 INFO L226 Difference]: Without dead ends: 17 [2020-11-29 18:49:48,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:49:48,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-29 18:49:48,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2020-11-29 18:49:48,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-29 18:49:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-29 18:49:48,665 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7 [2020-11-29 18:49:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:49:48,665 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-29 18:49:48,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:49:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-29 18:49:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 18:49:48,667 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:49:48,667 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:49:48,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-29 18:49:48,873 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:49:48,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:49:48,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1863233344, now seen corresponding path program 1 times [2020-11-29 18:49:48,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:49:48,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714479047] [2020-11-29 18:49:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:49:48,892 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 18:49:48,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025264087] [2020-11-29 18:49:48,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:49:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:49:48,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 18:49:48,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:49:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:49:49,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714479047] [2020-11-29 18:49:49,059 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 18:49:49,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025264087] [2020-11-29 18:49:49,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:49:49,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-29 18:49:49,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393686475] [2020-11-29 18:49:49,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:49:49,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:49:49,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:49:49,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:49:49,063 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 5 states. [2020-11-29 18:49:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:49:49,182 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-11-29 18:49:49,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:49:49,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-11-29 18:49:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:49:49,184 INFO L225 Difference]: With dead ends: 26 [2020-11-29 18:49:49,184 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 18:49:49,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:49:49,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 18:49:49,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2020-11-29 18:49:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-29 18:49:49,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-29 18:49:49,190 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2020-11-29 18:49:49,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:49:49,190 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2020-11-29 18:49:49,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:49:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-29 18:49:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 18:49:49,196 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:49:49,197 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 18:49:49,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:49:49,420 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:49:49,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:49:49,421 INFO L82 PathProgramCache]: Analyzing trace with hash 578669199, now seen corresponding path program 2 times [2020-11-29 18:49:49,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:49:49,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207445899] [2020-11-29 18:49:49,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:49:49,440 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 18:49:49,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174850584] [2020-11-29 18:49:49,441 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:49:49,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:49:49,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:49:49,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 18:49:49,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:49:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:49:49,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207445899] [2020-11-29 18:49:49,609 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 18:49:49,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174850584] [2020-11-29 18:49:49,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:49:49,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-11-29 18:49:49,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653981669] [2020-11-29 18:49:49,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:49:49,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:49:49,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:49:49,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:49:49,612 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 6 states. [2020-11-29 18:49:49,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:49:49,767 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2020-11-29 18:49:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:49:49,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-11-29 18:49:49,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:49:49,769 INFO L225 Difference]: With dead ends: 29 [2020-11-29 18:49:49,769 INFO L226 Difference]: Without dead ends: 23 [2020-11-29 18:49:49,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:49:49,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-29 18:49:49,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-11-29 18:49:49,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-29 18:49:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2020-11-29 18:49:49,779 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 13 [2020-11-29 18:49:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:49:49,780 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2020-11-29 18:49:49,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:49:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-11-29 18:49:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:49:49,783 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:49:49,783 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1] [2020-11-29 18:49:49,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:49:49,984 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:49:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:49:49,985 INFO L82 PathProgramCache]: Analyzing trace with hash -858731936, now seen corresponding path program 3 times [2020-11-29 18:49:49,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:49:49,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057845563] [2020-11-29 18:49:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:49:50,008 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 18:49:50,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93412168] [2020-11-29 18:49:50,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/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 [2020-11-29 18:49:50,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-29 18:49:50,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:49:50,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:49:50,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:49:50,140 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 18:49:50,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:49:50,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:49:50,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:49:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:49:50,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057845563] [2020-11-29 18:49:50,246 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 18:49:50,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93412168] [2020-11-29 18:49:50,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:49:50,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-29 18:49:50,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701348322] [2020-11-29 18:49:50,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:49:50,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:49:50,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:49:50,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:49:50,249 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 5 states. [2020-11-29 18:49:50,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:49:50,308 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-11-29 18:49:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:49:50,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-29 18:49:50,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:49:50,309 INFO L225 Difference]: With dead ends: 22 [2020-11-29 18:49:50,309 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:49:50,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:49:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:49:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:49:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:49:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:49:50,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-11-29 18:49:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:49:50,311 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:49:50,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:49:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:49:50,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:49:50,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:49:50,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:49:50,631 INFO L270 CegarLoopResult]: At program point L27-2(lines 27 36) the Hoare annotation is: (let ((.cse0 (= (* ULTIMATE.start_main_~x~0 2) (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0)))) (or (and (= ULTIMATE.start_main_~y~0 0) .cse0) (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0))) [2020-11-29 18:49:50,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:49:50,632 INFO L274 CegarLoopResult]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2020-11-29 18:49:50,632 INFO L274 CegarLoopResult]: For program point L11(lines 11 12) no Hoare annotation was computed. [2020-11-29 18:49:50,632 INFO L274 CegarLoopResult]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2020-11-29 18:49:50,632 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-11-29 18:49:50,632 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:49:50,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:49:50,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:49:50,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:49:50,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:49:50,633 INFO L274 CegarLoopResult]: For program point L10(lines 10 13) no Hoare annotation was computed. [2020-11-29 18:49:50,633 INFO L270 CegarLoopResult]: At program point L10-1(lines 30 31) the Hoare annotation is: (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (* ULTIMATE.start_main_~x~0 2) (+ (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~y~0))) [2020-11-29 18:49:50,634 INFO L274 CegarLoopResult]: For program point L10-2(lines 10 13) no Hoare annotation was computed. [2020-11-29 18:49:50,634 INFO L277 CegarLoopResult]: At program point L10-3(lines 9 15) the Hoare annotation is: true [2020-11-29 18:49:50,634 INFO L277 CegarLoopResult]: At program point L39(lines 17 40) the Hoare annotation is: true [2020-11-29 18:49:50,634 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-11-29 18:49:50,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:49:50 BoogieIcfgContainer [2020-11-29 18:49:50,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:49:50,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:49:50,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:49:50,655 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:49:50,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:49:47" (3/4) ... [2020-11-29 18:49:50,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:49:50,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 18:49:50,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:49:50,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:49:50,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:49:50,716 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ee9deced-d50c-4735-87bc-5e417a993926/bin/uautomizer/witness.graphml [2020-11-29 18:49:50,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:49:50,718 INFO L168 Benchmark]: Toolchain (without parser) took 3575.21 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 70.7 MB in the beginning and 78.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:50,719 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory was 66.1 MB in the beginning and 66.0 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:49:50,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.38 ms. Allocated memory is still 90.2 MB. Free memory was 70.5 MB in the beginning and 61.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:50,721 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.03 ms. Allocated memory is still 90.2 MB. Free memory was 61.0 MB in the beginning and 59.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:50,722 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 58.5 MB in the end (delta: 993.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:49:50,722 INFO L168 Benchmark]: RCFGBuilder took 318.56 ms. Allocated memory is still 90.2 MB. Free memory was 58.5 MB in the beginning and 47.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:50,724 INFO L168 Benchmark]: TraceAbstraction took 2828.97 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 46.4 MB in the beginning and 81.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:50,724 INFO L168 Benchmark]: Witness Printer took 61.56 ms. Allocated memory is still 125.8 MB. Free memory was 80.7 MB in the beginning and 78.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:49:50,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory was 66.1 MB in the beginning and 66.0 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 283.38 ms. Allocated memory is still 90.2 MB. Free memory was 70.5 MB in the beginning and 61.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.03 ms. Allocated memory is still 90.2 MB. Free memory was 61.0 MB in the beginning and 59.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.63 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 58.5 MB in the end (delta: 993.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 318.56 ms. Allocated memory is still 90.2 MB. Free memory was 58.5 MB in the beginning and 47.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2828.97 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 46.4 MB in the beginning and 81.6 MB in the end (delta: -35.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Witness Printer took 61.56 ms. Allocated memory is still 125.8 MB. Free memory was 80.7 MB in the beginning and 78.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 == cond && x * 2 == y * y + y - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (y == 0 && x * 2 == y * y + y) || (1 == cond && x * 2 == y * y + y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 50 SDtfs, 22 SDslu, 75 SDs, 0 SdLazy, 88 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 14 NumberOfFragments, 42 HoareAnnotationTreeSize, 4 FomulaSimplifications, 123 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 53 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 2079 SizeOfPredicates, 18 NumberOfNonLiveVariables, 272 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 14/24 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...